Cobra Electronics MRHH450 HANDHELD MARINE/GMRS RADIO User Manual MRHH330 ENG Body

Cobra Electronics Corporation HANDHELD MARINE/GMRS RADIO MRHH330 ENG Body

Contents

User Manual 2

VHF Marine Radio Protocols  Operating Your Radio25Nothing Comes Close to a Cobra®Getting StartedChannel Up/Down ButtonsYour radio will Receive (Rx) and Transmit (Tx) VHF/GMRS signalson the channel indicated on the LCD display. You can change thechannel at any time using the Channel Up/Down buttons.To Change Channels:Press the Channel Up/Down button.If you are on Channel 88, pressing the Channel Up button willadvance to Channel 01. If you are on Channel 01, pressing theChannel Down button will advance to Channel 88. (GMRShighest channel is 22, then will advance to channel 1.Weather highest channel is 10, then advances to channel 1).You can press and hold the Channel Up/Down button for fastadvance. The beep sound will occur only at the first press ofthe button and not during fast advance.If the new channel selected is restricted to low power, theradio will automatically switch to Low Power mode and theLow Power icon will appear on the LCD.If the radio is in the Key Lock mode, the channel will notchange and the three (3) beep error signal will sound.SCAN ButtonPress and release the SCAN button to enter all scanningmodes - Marine, GMRS and memory. See the AdvancedOperation section has more details on using the Scanmodes. The SCAN icon will display on the LCD display.Scanning begins at lower channels, and scans to higherchannels. Press the Channel Up/Down button to change thescan direction.             HIRSCAN Button             HIRChannel Up/Down ButtonsSAMATIS  VOX LOMEDHITRABXCIUCurrently On Channel 88VHF Marine Radio Protocols  Operating Your Radio24 EnglishGetting StartedRadio Speaker and MicrophoneThe internal Radio Speaker and Microphone are located on thebottom front face of the radio below the lower control buttons.An optional Speaker/Microphone port is located at the top of the radio between the antenna and the Power/Volumecontrol. Unthread the Speaker/Microphone port cover to accessand install an optional Cobra speaker or microphone into this port.Talk ButtonPress and hold the Talk button to transmit messages.Release the Talk button to stop transmitting.Backlight/Key Lock ButtonTo Display the Backlight Momentarily:Press the Backlight/Key Lock button. The backlight willremain On for 10 seconds. If the backlight is alreadyOn, another press of the Backlight/Key Lock button will turn it Off.Key LockTo prevent accidental changes to your settings, you canlock all of the following buttons:■Channel Up Button■Channel Down Button■Band Button■REWIND Button■SCAN Button■MEM/ESC Button■WX/H-M-L Button■16/9 Button■TRI-WATCH Button■Call/Enter/Setup ButtonTo Lock or Unlock the Buttons:Press and hold the Backlight/Key Lock button for two(2) seconds. The Key Lock icon will appear or disappearin the LCD. When Key Lock is On, pressing any of thelisted buttons on the front of the radio will result in athree (3) beep error message.Both the Backlight/Key Lock button and the Talk buttonare active — you can Receive (Rx) or Transmit (Tx)a message with Key Lock On, but you cannot changethe channel.Backlight/Key Lock ButtonMEMSAMEATIS VOX             HIROGVHFTRABGMRSXCIUKey Locked ButtonsVHFGMRSKey Lock IconSpeaker/Mic PortTalk ButtonMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:57 PM  Page 24
VHF Marine Radio Protocols27Nothing Comes Close to a Cobra®VHF Mode ProgrammingSetup Mode Programming •The following series of procedures is designed to allow youto set the programmable features of your radio. Correctlyfollowing these steps results in a minimal amount of radiosetup programming time.During setup programming, the matrix display will show textdescribing the programming action you are now performing.NOTEWhen in any of the Setup modes (Marine (VHF), GMRSor Weather), if you stop programming for longer than 15 seconds, your entry will be saved and  the radio willgo back to Standby mode. While in the Setup mode, you will not receive any signal reception except whensetting squelch. Programming these features will allow you to customizecertain features of this radio to enhance your “On-Water”radio use.Start from Marine Standby mode to begin Marine (VHF)Setup programming. Press and hold the Call/Enter/Setupbutton for two (2) seconds to enter the programming mode.The mode programming follows this sequence:■Squelch Level Set■UIC Channel Map■VOX On/Off■Vox Sensitivity Level Set (this menu setting will be present when VOX is set to ON)■Call Alert Tone/Vibrate Set■Call Alert Tone Set■Roger Beep On/Off■Key Tone On/Off■Rewind On/Off■Priority 16 On/Off  Marine (VHF) Mode ProgrammingVHF Marine Radio Protocols26 EnglishGetting StartedHigh/Medium/Low (H-M-L) Power ButtonYour radio can transmit selectively at 1, 3 or 6 (or highestallowed ERP setting in GMRS mode) watts of power. Cobrasuggests you maintain the low power setting for short-rangecommunications. You will conserve battery life and avoidoverpowering nearby stations with a low power setting signal.Use the high power setting for long-range communications orwhen you do not receive a response to a signal sent at 1 watt.To Toggle Between H-M-L Power Modes:Press and release the H-M-L Power button. The LCDwill show which mode is in effect. Some channels arerestricted for a maximum use of 1 watt. Your radio willautomatically set the power to Low Power mode when you select those channels. NOTESome channels, frequency bands and countries of usemight not be able to operate in High Power mode andsome channels are receive only.Call/Enter/Setup ButtonThe Call/Enter/Setup button has multiple functions. It isgenerally used in the following ways:■Press and release to transmit your unique Call Tone signalto another radio.■Press and hold to enter any Setup menu.■Functions as an Enter button when making a selection in any Setup menu.               H-M-L Power Button             Call/Enter/Setup Button  Operating Your Radio  Operating Your RadioMEMSAMEATIS  VOXLOMEDHIVHFTRABGMRSXCIUMarine Standby ModeChannel 16/9 Button •Channel 16/9 mode gives you quick access to callingChannel 16 and Channel 9 from any operational mode.To Switch to Channel 16 or Channel 9:1. Press the Channel 16/9 button to change to Channel 16.2. Press the Channel 16/9 button again to change to Channel 9.3. Press the Channel 16/9 button a third time andreturn to the last used channel.SAMATIS  VOX LO MEDHITRABXCIUSAMATIS  VOX LO MEDHITRABXCIUChannel 16 or Channel 9MRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:57 PM  Page 26
VHF Marine Radio Protocols  Operating Your Radio29Nothing Comes Close to a Cobra®VHF Mode ProgrammingUSA/International/Canada Channel MapsThree (3) sets of VHF Channel Maps have been establishedfor marine use in the USA, Canada, and the rest of the world(International). Most of the channels are the same for allthree (3) maps, but there are definite differences (see table inthe Appendix on page 62). Your radio has all three (3) mapsbuilt into it and will operate correctly in whichever area you choose.To Set Channel Map Operating Area:1. The Channel Map mode is the second mode on the Marine (VHF) Setup programming.2. U, I and Cwill display, with the current setting (the Uicon is the default) flashing. 3. Press Channel Up/Down button to select the U, I or Cicon.4. Press Call/Enter/Setup button to save this entry and move to the next Setup mode programming.VHF Marine Radio Protocols  Operating Your Radio28 EnglishVHF Mode ProgrammingSAMEDHIABCIUActive Channel Map Icon             HIRChannel Up/Down ButtonsSquelch ControlSquelch Control filters weak signals and radio frequency (RF)noise so that you will clearly hear the signals you want.  The Squelch Control on this radio is set through the followingkeypad operation.To Set Squelch Control:1. With the power On, push and hold Call/Enter/Setupbutton to access the Setup menu. 2. Squelch control will be the first menu item to appear.Press the Channel Up and Channel Down buttons toset level. The signal level bar graph shows squelch level while you are in Setup mode on the squelch adjust function.3. To adjust your squelch, press the Channel Downbutton until you hear a hissing sound, then press and release the Channel Up button until the hissingstops. This will establish a “Baseline” squelch. 4. By pressing the Channel Up button further, you willfilter weak and medium strength signals. By pressingChannel Down button, you will receive weaker signals.5. Press the Call/Enter/Setup button to save this entry and move to the next Setup mode programming.NOTEIf the Squelch is set so that you can hear a continuoushissing sound, the Memory Scan and Tri-Watchfunctions will be blocked.  MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUSquelch Control             Channel Up/Down ButtonsMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:58 PM  Page 28
30  Operating Your Radio31Nothing Comes Close to a Cobra®VHF Mode ProgrammingEnglishVHF Mode Programming  Operating Your RadioVoice Activated Transmit (VOX) ModeIn VOX mode, your radio can be used “hands-free,”automatically transmitting when you speak. You can also setthe VOX sensitivity level to fit the volume of your voice andavoid transmissions triggered by background noise.To turn VOX Mode On or Off:1. Display will show VOX icon and ON or OFF flashing.2. Press Channel Up/Down button to select ON or OFF.3. Press Call/Enter/Setup button to save this entry andmove to the next setup programming mode.NOTEOnce set, this is a global setting when in all radiomodes.To set VOX Sensitivity Level:NOTEVOX sensitivity level is only visible when VOX is On.1. The display will show VOX LEVEL and the currentlevel will be flashing.2. Press Channel Up/Down button to change the Voxlevel of your choice. Remember, this selection isyour voice sensitivity level during hands-freeoperation.05 - indicates a Low (quiet) voice setting.03 - indicates a Medium voice setting. 01 - indicates a High (loud) voice setting.3. Press Call/Enter/Setup button to save this entry andmove to the next setup programming mode.NOTEVOX will be turned Off automatically when the radio isturned Off. This will avoid accidental transmissions.      Call AlertIf Call Alert is set to On, the radio will alert you to a call from acompatible Cobra radio with a Call Alert.Select the type of radio alert:1. The display will show CALL ALERT and will be flashingOFF, TONE, VIBRATE, or VIB+TONE. 2. If TONE, VIBRATE, or VIB+TONE option is shown on thedisplay then the appropriate BELL, VIBRATE, shakebars or combination VibrAlert icon will be displayed.3. Press Channel Up/Down button to select the alert modeof your choice.4. Press Call/Enter/Setup button to save this entry andmove to the next setup programming mode.MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUVOX ModeMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUVOX Level             HIRChannel Up/Down Buttons             Channel Up/Down ButtonsMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUCall Tone AlertMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:58 PM  Page 30
33Nothing Comes Close to a Cobra®VHF Mode ProgrammingMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIURoger Beep ModeMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUCall Tone SelectVHF Marine Radio Protocols  Operating Your Radio32 EnglishVHF Mode ProgrammingCall Tone SelectThis setting will allow you to transmit a unique Call Tone alert to identify your radio when you transmitmessages. You can select from one of 10 different Call Tone signals.To Set Call Tone:1. From the previous press of the Call/Enter/Setupbutton, the matrix will display CALL TONE SELECTand the display will flash the current Call Tonenumber (01 through 10).2. Press the Channel Up/Down button to select adifferent Call Tone. An example of each call tone willsound for 1.5 seconds.3. Press Call/Enter/Setup button to save this entry andmove to the next Setup mode programming.NOTECall Tones are not usually used for Marine VHFcommunications. We allow you to turn it On for yourunique communication needs. It is only compatiblewith other Cobra VHF radios.Roger Beep ModeIn Roger Beep mode, your listener will hear an audible tonewhen you release the Talk button. This alerts your listenerthat you are finished talking and it is OK for them to speak.To Set Roger Beep On or Off:1. Display will show ROG icon flashing and the matrixwill display ROGER BEEP ON or OFF.2. Press Channel Up/Down button to select ON or OFF.ROG will be displayed when On.3. Press Call/Enter/Setup button to save this entry andmove to the next Setup mode programming.Key Tone ModeIn Key Tone mode, an audible tone will sound each time abutton is pressed or you change a setting.To Set Key Tone On or Off:1. Display will show Key Tone icon flashing and matrixwill display KEY TONE ON or OFF.2. Press Channel Up/Down button to select ON or OFF.3. Press Call/Enter/Setup button to save entry.NOTEOnce set, this is a global setting when in all radio modes.    MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUKey Tone ModeRewind On/OffIf Rewind is enabled, the last 20 seconds of incomingaudio is recorded and you can play back missed VHF callsby pressing the Rewind button.1. Display will show the Rewind icon and the matrixwill display REWIND ON or OFF.2. Press Channel Up/Down button to select ONor OFF.3. Press Call/Ent/Setup button to save entry.NOTEOnce set, this is a global setting when in all radio modes.Channel 16 Priority ModeIf Priority 16 is turned on, during channel scan the radiowill frequently check the Channel 16 Safety and Distresschannel for calls.To Set Priority 16 On or Off:1. The display matrix will show PRIORITY 16 ONor OFF.2. Press the UP or DOWN button to select On or Off.3. Press Call/Ent/Setup button to save entry.               HIRChannel Up/Down ButtonMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIURewind EnableVHF Marine Radio Protocols  Operating Your RadioMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUChannel 16 PriorityMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:58 PM  Page 32
  Operating Your Radio35Nothing Comes Close to a Cobra®34 English  Operating Your RadioProgramming these features will allow your radio to listen toall NOAA Hazard Alert radio channels. In this process, youwill be programming the channel settings for the “SpecificArea Message Encoding (SAME)” and “Emergency AlertMessages” sent by NOAA. See channels and frequencieslisted on page 31.Start from Weather Standby mode to begin Weather Alert Setup programming. Momentarily Press theCall/Enter/Setup button to enter the programming mode.Weather (WX) Mode ProgrammingMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUWeather Alert StandbyAlert FunctionsSAME is an advanced weather alert feature. Leave this set to OFF if you are not sure about your understanding of its operation. The weather mode can be set to respond to NOAA alerts in three ways:•OFF - radio alerts are disabled.•WX - radio will sound a max volume tone alert for 8 seconds when NOAA sends a 1050 Hz warning alert tone.•SAME -radio will display the NOAA SAME alert message.1. Select Alert and either OFF, WX or SAME will flash in the display.NOTEIf WX Alert is turned on, the radio will receive NOAA voice alerts from a wide geographic area around you.NOTEIf SAME Alert is turned on, the radio will receive detailed NOAA alerts from a geographic area immediately around you.2. Press Channel Up/Down button to select OFF, WX or SAME.3. Press the Call/Enter/Setup button to save entry and move tothe next programming mode.NOTEProceed to SAME programming section if SAME has been selected.To Set WX Auto Search (SCAN) On or Off:1. Display will show WX Alert icon and SCAN, ON or OFF is flashing.2. Press Channel Up/Down button to select SCAN, ON or OFF.3. Press the Call/Enter/Setup button to save entry.NOTEWhen WX Auto Search (SCAN) is set to On, weatherchannel scanning will start automatically and scan allavailable weather channels. When the user-selectedweather channel falls below the preset squelch level, the weather channel will change to a new weather channel under the following conditions:■  WX Alert is engaged.■  WX received signal level falls below a presetsquelch on the user-selected weather channel and– radio is in WX Standby OR– radio is in VHF or GMRS Standby andthere is no channel activity.        MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUSelect Weather AlertSquelch ControlSquelch Control filters weak signals and radio frequency (RF)noise so that you will clearly hear the signals you want.  The Squelch Control on this radio is set through the followingkeypad operation.To Set Squelch Control:1. With the power On, momentarily press theCall/Enter/Setup button to enter the Setup modeprogramming. 2. Squelch control will be the first menu item to appear.Press the Channel Up and Channel Down buttons toset level. The signal level bar graph shows squelch level while you are in Setup mode on the squelch adjust function.3. To adjust your squelch, press the Channel Downbutton until you hear a hissing sound, then press and release the Channel Up button until the hissingstops.  4. Press the Call/Enter/Setup button to save this entry and move to the next Setup mode programming.MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUSquelch Control             Channel Up/Down ButtonsWeather Mode ProgrammingWeather Mode ProgrammingMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUWX Auto Search (SCAN)MRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:58 PM  Page 34
  Operating Your Radio37Nothing Comes Close to a Cobra®36 English  Operating Your RadioWeather Mode ProgrammingTo Set SAME FIPS Code Programming:1. From Weather Standby Mode, press CALL/ENT/SETUP key until the display matrix shows SELECT ALERT: and WX, SAME, or OFF will be flashing.2. Press Channel Up/Down buttons to select SAME.The first memory location "A" will be displayed. Up to 10 FIPS codes can be entered A - J.3. Press and release the CALL/ENT/SETUP button and the firstFIPS memory A will be displayed. Use the Channel Up/Downbuttons to select the FIPS memory location A-J.4. Press the Call/Enter/Setup button to enter geographicweather locations as identified by FIPS (Federal InformationProcessing System) area in the United States.NOTEFIPS codes identify geographic areas in the UnitedStates as shown on the Internet website:http://www.nws.noaa.gov/nwr/indexnw.htm.5. The display will show “ ------,” or last entered FIPScode. One (1) digit in display will be flashing.6. Press Channel Up/Down button to select first digit.7. Press and release Call/Enter/Setup button to advance to next digit code. Press and release MEM/ESC button to back up. Repeating, press and release of the MEM/ESCbutton, will back up to the top level.8. Continue steps 5 to 7 until all six (6) digits are entered.9. Press the Call/Enter/Setup button to save the entered digits.  Weather Mode Programming             Call/Enter/Setup ButtonMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUSelect Weather AlertTo Set SAME FIPS Code Programming continued:10. Use the Channel Up/Down buttons to select:•OFF - entered FIPS code is not active or,• ON - entered FIPS code is active.11. Press the Call/Enter/Setup button to save the memory.12. Repeat steps 3 through 10 to enter up to 10 FIPS codes in memory.13. When all of the codes are entered, use the Channel Up/Down buttons to move to memory K.14. Press the Call/Enter/Setup button and select:•ON -   all entered FIPS codes are set active,• OFF - all entered FIPS codes are set inactive, or• OK -   all entered FIPS codes are correctly entered, some On and some Off.15. At least one FIPS code must be entered and made active (ON) or the SAME mode is disabled. The radio will warn you if no FIPS codes are on.16. Press the Call/Enter/Setup button to exit back to weather standy.MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUEnter FIPS CodeMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUCode EnteredMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUAll OnMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUSAME DisabledMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:58 PM  Page 36
  Operating Your Radio39Nothing Comes Close to a Cobra®38 English  Operating Your RadioGMRS Mode ProgrammingMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUGMRS StandbyGMRS Mode ProgrammingGMRS Mode ProgrammingThe GMRS (General Mobile Radio Service) feature is alandmobile service available for short-distance, two-waycommunications in the USA. You must have a valid FCC licenseto communicate on these channels (see page 28). Start from GMRS Standby mode to begin GMRS Setupprogramming. Press and hold the Call/Enter/Setup button fortwo (2) seconds to enter the programming mode.Squelch ControlSquelch Control filters weak signals and radio frequency (RF)noise so that you will clearly hear the signals you want. TheSquelch Control on this radio is set through the followingkeypad operation.To Set Squelch Control:1. With the power On, push and hold Call/Enter/Setupbutton to access the Setup menu. 2. Squelch control will be the first menu item to appear.Press the Channel Up and Channel Down buttons toset level. The signal level bar graph shows squelch level while you are in Setup mode on the squelch adjust function.3. To adjust your squelch, press the Channel Downbutton until you hear a hissing sound, then press and release the Channel Up button until the hissingstops. This will establish a “Baseline” squelch. 4. By pressing the Channel Up button further, you willfilter weak and medium strength signals. By pressingChannel Down button, you will receive weaker signals.5. Press the Call/Enter/Setup button to save this entry and move to the next Setup mode programming.NOTEIf the Squelch is set so that you can hear a continuoushissing sound, the Memory Scan and Tri-Watchfunctions will be blocked.               Call/Enter/SetupCTCSS and DCS Coding ModeContinuous Tone Controlled Squelch System (CTCSS) andDigital Coded Squelch (DCS) coding are used in two-way radiosystems. These are sub-audible frequencies or digital tones thatare sent continuously with speech to engage other radios withthis feature. This feature is generally used between talk groupson shared channels. Radios with the same subcode set willhear your transmission. Radios with both DCS and CTCSS set toOff or 00 will be able to hear your transmissions.To Set CTCSS Code Entry:1. Display will show CTCSS icon and OFF icon flashing. NOTEIf CTCSS was previously set to a Code number,display will show the current GMRS channel and flash the CTCSS icon and Code number.2. Codes begin at 00 (OFF) and go to 38, followed by 00,and return back to 01 again. The last used GMRSchannel will be shown in the large digit display.NOTEIf CTCSS is On, then DCS will be Off. If DCS is On, then CTCSS will be Off. The radiodoes  does this automatically.3. Press Channel Up/Down button to change codenumber, or press and hold Channel Up/Down buttonto rapid advance (scroll).4. Press Call/Enter/Setup button to save entry and move to the next setup programming mode.                 HIRChannel Up/Down Buttons             HIRCall/Enter/SetupMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUCTCSS OffMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:58 PM  Page 38
41Nothing Comes Close to a Cobra®40 EnglishVHF Marine Radio Protocols  Operating Your RadioGMRS Mode ProgrammingVHF Marine Radio Protocols  Operating Your RadioGMRS Mode ProgrammingTo Set DCS Code Entry:1. Display will show DCS icon and OFF icon flashing. NOTEIf DCS was previously set to a Code number, display will show the current GMRS channel and flash the DCS icon and Code number.2. Codes begin at 01 and go to 38, followed by OFF, andreturn back to 01 again. The last used GMRS channelwill be shown in the large digit display.NOTEIf CTCSS is On, then DCS will be Off. If DCS is On, then CTCSS will be Off. The radiodoes  does this automatically.3. Press Channel Up/Down button to change codenumber, or press and hold Channel Up/Down buttonto rapid advance (scroll).4. Press Call/Enter/Setup button to save entry and move to the next setup programming mode.                 Channel Up/Down Buttons             Call/Enter/SetupMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUCTCSS Off Voice Activated Transmit (VOX) ModeIn VOX mode, your radio can be used “hands-free,”automatically transmitting when you speak. You can also setthe VOX sensitivity level to fit the volume of your voice andavoid transmissions triggered by background noise.To turn VOX Mode On or Off:1. Display will show VOX icon and ON or OFF flashing.2. Press Channel Up/Down button to select ON or OFF.3. Press Call/Enter/Setup button to save this entry andmove to the next setup programming mode.NOTEOnce set, this is a global setting when in all radio modes.To set VOX Sensitivity Level:NOTEVOX sensitivity level is only visible when VOX is On.1. The display will show VOX LEVEL and 01 will beflashing.2. Press Channel Up/Down button to change volumelevel of your choice. Remember, this selection isyour voice sensitivity level during hands-freeoperation.05 - indicates a Low (quiet) voice setting.03 - indicates a Medium voice setting. 01 - indicates a High (loud) voice setting.3. Press Call/Enter/Setup button to save this entry andmove to the next setup programming mode.NOTEVOX will be turned Off automatically when the radio isturned Off. This will avoid accidental transmissions.      MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUVOX ModeMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUVOX Level             HIRChannel Up/Down ButtonsMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:58 PM  Page 40
42  Operating Your Radio43Nothing Comes Close to a Cobra®English  Operating Your RadioUse the Cobra exclusive Rewind-Say-Again®feature to replay orrecord the last 20 seconds of an incoming audio transmission.Example 1:When engine noise, music or conversation creates too muchnoise to hear an inbound message clearly, press the REWbutton to hear the message a second time.Example 2:When listening to an urgent distress message of an excitedcaller with confusing background noise, press the REW buttonto hear the message a second time and get life savinginformation. Use this feature to record call details includingposition coordinates, call signs, registration numbers and storedetails that will help authorities locate the distressed vessel.             HIRRewind ButtonMEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUPlayback MessageGMRS Mode ProgrammingGMRS Mode ProgrammingNOTEHold the Rewind button to lock the recording memory(the Rewind icon flashing) and save the currentlyrecorded transmission.  Roger Beep ModeIn Roger Beep mode, your listener will hear an audible tonewhen you release the Talk button. This alerts your listener thatyou are finished talking and it is OK for them to speak.To Set Roger Beep On and Off:1. Display will show ROG icon flashing and the matrix willdisplay ROGER BEEP ON or OFF.2. Press Channel Up/Down button to select ON or OFF. ROGwill be displayed when On.3. Press Call/Enter/Setup button to save this entry and moveto the next Setup mode programming.  MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIURoger Beep ModeMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUKey Tone Mode Key Tone ModeIn Key Tone mode, an audible tone will sound each time abutton is pressed or you change a setting.To Set Key Tone On and Off:1. Display will show Key Tone icon flashing and the matrixwill display KEY TONE ON or OFF.2. Press Channel Up/Down button to select ON or OFF.3. Press Call/Enter/Setup button to save this entry.Call Tone SelectIn Call Tone mode, you can select the tone the radio will usewhen transmitting a Call.1. The display will show Call Tone Select and the currenttone number will be flashing.2. Press Channel Up/Down to select the tone you want to use.3. Press Call/Enter/Setup button to save this entry andmove to the next Setup mode programming.MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUVibrAlert SelectMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUCall Tone ModeVibrAlert SelectThis setting will allow you to select whether your radioactivates the VibrAlert shake in addition to the incoming calltone when receiving a call. Once the radio shakes, it willdelay 20 seconds before shaking again to eliminateexcessive VibrAlerts on a busy GMRS channel.To Set VibrAlert:1. From the previous press of the Call/Enter/Setup button,the matrix will display VIBRALERT OFF.2. Press the Channel Up/Down button to select VIBRALERTON. The VibrAlert icon will be activated on the display.3. Press Call/Enter/Setup button to save this entry andmove to the next Setup mode programming.             Channel Up/Down ButtonsNOTEOnce set, this is a global setting when in all radio modes.  NOTEOnce set, this is a global setting when in all radio modes.  Rewind On/OffIf Rewind is enabled, the last 20 seconds of incoming audiois recorded and you can play back missed VHF calls bypressing the Rewind button.1. Display will show the Rewind icon and the matrix willdisplay REWIND ON or OFF.2. Press Channel Up/Down button to select ON or OFF.3. Press Call/Ent/Setup button to save entry.             HIRCall/Ent/Setup ButtonMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIURewind EnableNOTEOnce set, this is a global setting when in all radio modes.  MRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:58 PM  Page 42
45Nothing Comes Close to a Cobra®VHF Marine Radio Protocols  Operating Your Radio44 EnglishVHF Marine Radio Protocols  Operating Your RadioTri-Watch ModeTri-Watch mode gives you one (1) button access to scan a total of three (3) channels of most importance to you. Channel 16 ispreprogrammed and will always be one (1) of the scanned locations. Two (2) other channels, either GMRS or VHF, of yourchoice can be stored in the radio. These channels can be edited and/or recalledduring future engagements of Tri-Watch mode.NOTEThe radio must be squelched for Tri-Watch mode to function. See page 18for Squelch procedure.               HIRTri-Watch ButtonMEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUMemory Location Number             HIRChannel Up/Down ButtonsUsing Tri-WatchTri-Watch Scan Mode:1. From Marine or GMRS Standby mode, press the TRI-WATCHbutton. The TW SCAN will display on the matrix along with thethree channels stored in the Tri-Watch memory.2. The radio will scan through the three (3) Tri-Watchmemory channels.3. A signal on any one (1) of the three (3) channels will stopthe scan for 10 seconds to allow you to listen to the trafficon that location.NOTEAfter the Tri-Watch scan stops to monitor a channel, aslong as you do not press any buttons within 10 seconds,your radio will automatically resume scanning the Tri-Watch channels.4. Press the Channel Up/Down button to resume scanningthe Tri-Watch channels or to change the scan direction.5. To EXIT the Tri-Watch scan, press the TRI-WATCH buttonagain, and the radio will return to Marine or GMRSStandby mode.  MEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUTri-Watch Scan ModeAdvanced OperationAdvanced OperationTri-Watch SetupTo Program or Edit the Tri-Watch Channels:1. Press and hold the TRI-WATCH button from Marine orGMRS Standby mode for two (2) seconds to activate Tri-Watch Setup mode. The MEM icon on the display will turnOn and the matrix will display TW MEM ENTER 01.NOTEThe main channel number will flash to indicate channel position.If there is no input activity for 15 seconds, the radio will soundthree (3) beeps and return to GMRS or Marine Standby mode.2. Use the Band button to select Marine or GMRS channels.3. Press Channel Up/Down button to select the desired Tri-Watch channel.4. Press and release TRI-WATCH button or Call/Enter/Setupbutton to confirm entry.5. Repeat steps 2 and 3 to program the remaining additionalTri-Watch memory channel.6. After programming both Tri-Watch memory channels theradio will immediately engage Tri-Watch mode.  Using Rewind-Say-Again® to Record VOICE Audio Transmission:NOTEIf the record memory is locked (rewind icon flashing),press and hold the REW button to unlock.1. Press and hold SCAN button for two (2) seconds toenter Record mode. The matrix will display MICRECORDER.2. Press and hold PTT button to begin recording from radio microphone. The transmitter will turn off.The matrix will display MIC RECORDER ON and theseconds remaining will be shown in the lower rightcorner. If PTT button is released, recording stops. Whilerecording, a 20-second countdown begins on display.When 20-second countdown time has ended, recordingstops and two (2) beep tones will be heard.3. Press and hold SCAN button again for two (2) secondsor press MEM/ESC button to cancel recording andreturn to last operation.                 SCAN Button Enter RecordMEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUMic RecorderMEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUMic Recorder ON             HIRBand Button             HIRTri-Watch ButtonMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:59 PM  Page 44
47Nothing Comes Close to a Cobra®VHF Marine Radio Protocols  Operating Your Radio46 English  IntroductionVHF Marine Radio Protocols  Operating Your RadioMemory Location ModeYour radio has unlimited memory locations for storing yourmost frequently used channels. These memory locations canbe selected individually or can be scanned. (See page 49under Memory Location Scan.)To enter Memory mode, press MEM/ESC button. The displaywill show the MEM icon and the Memory Channel bank willbe displayed on the matrix.To Program Memory Locations:1. Press and hold the MEM/ESC button for two (2)seconds. The memory location number will bedisplayed on the matrix and the MEM icon will beturned On.2. Use the Channel Up/Down button to advance to thememory location (00-99) you want to program.3. Press the MEM/ESC button to select the memorylocation.4. Use the Band button to select the GMRS or marine band.5. Use the Channel Up/Down button to change to thechannel you want to store into the selected memorylocation.6. Press the MEM/ESC button to program that channel.The memory location will be displayed on the matrixagain.Repeat steps 2 through 5 to program as manyadditional memories as you want.7. Press and hold the MEM/ESC button for two (2)seconds. This will return the radio to Memory mode.8. Press and release the MEM/ESC button again toreturn to Marine or GMRS Standby mode.              MEM/ESC ButtonMEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUMemory Location Number             Channel Up/Down ButtonsMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUChannel NumberTo Recall a Stored Memory Location:1. Press the MEM/ESC button. The MEM icon will beturned On.2. Press the Channel Up/Down button to select thememory location. If a memory location has beenprogrammed, its associated channel will display onthe LCD. Your radio is now in Marine or GMRSStandby mode on the selected memory location.To Exit Memory Location Mode:Press the MEM/ESC button to return the radio toMarine or GMRS Standby mode. The last channel usedin Marine or GMRS Standby mode will now bedisplayed on the LCD and the MEM icon will disappear.To Erase Stored Memory Locations:1. Press and hold the MEM/ESC button for two (2)seconds. The memory location number will bedisplayed on the matrix and the MEM icon will beturned On.2. Use the Channel Up/Down button to advance to thememory location you want to erase.3. Press the MEM/ESC button to select the memorylocation.4. Use the Channel Up/Down button to change to thechannel to read “00” at the selected memorylocation.5. Press the MEM/ESC button to erase that channel.Repeat steps 2 through 5 to erase as many additionalmemories as you want.6. Press and hold the MEM/ESC button for two (2)seconds. This will return the radio to Memory mode.7. Press and release the MEM/ESC button again toreturn to Marine or GMRS Standby mode. MEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUMEM IconAdvanced OperationAdvanced Operation             Band ButtonMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:59 PM  Page 46
  Operating Your Radio49Nothing Comes Close to a Cobra®Advanced Operation48 EnglishAdvanced Operation  Operating Your RadioScan ModesA signal on any channel will stop the scan for 10 seconds toallow you to listen to the traffic on that location. After 10seconds, the radio will resume scanning. Press the Channel Up/Down button to resume scanningbefore the 10-second pause has completed or to change thescan direction.VHF Channel ScanDuring Channel Scan mode, the radio will rapidly switchfrom channel to channel through all the channels. NOTEThe radio must be squelched for Channel Scan modeto function. See page 28 for Squelch procedure.To Enter Marine Scan:1. From Marine or GMRS Standby mode, press theSCAN button. The radio will immediately begin toscan the entire channel map selected in the activechannel map. CHANNEL SCAN will display on the matrix.NOTEIf Priority 16 feature has been selected, channel 16will checked frequently for activity to insure you willnot miss any calls.2. To EXIT Channel Scan mode, press the SCAN or PTTbutton again. The SCAN icon will disappear from theLCD and the radio will return to Marine or GMRSStandby mode.                 SCAN ButtonMEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUScan Display             Channel Up/Down ButtonsTo Enter Memory Location Scan:1. From Marine or GMRS Standby mode, press theMEM/ESC button.2. Press the SCAN button. The radio will immediatelybegin to scan all pre-assigned memory channels.The MEM icon will show on the LCD, and MEMCHAN SCAN will display on the matrix along with thememory location.3. To EXIT Memory Location Scan mode, press theSCAN or PTT button again. The MEM icon willdisappear from the LCD and the radio will return toMarine or GMRS Standby mode.GMRS ScanIn GMRS mode, there are 3 types of scans - all GMRSchannels, CTCSS tones (on the selected channel) and DCScodes (on the selected channel).To Enter the GMRS Scans:1. Successive press and release of the SCAN buttonwill toggle betwen all channel scan, CTCSS tone scanand DCS code scan.2. Press and hold the SCAN button to start the selected scan.3. To exit a GMRS scan, press the MEM/ESC button orPTT.             HIRMEM/ESC ButtonMEMSAMEVOX LOMEDHIVHFTRABGMRSXCIUMemory Channel ScanMemory Location ScanDuring Memory Location Scan mode, the radio will rapidlyscan through all pre-assigned memory channels.NOTEThe radio must be squelched for Memory LocationScan mode to function. See page 18 for Squelchprocedure.NOTEIf there are fewer than two (2) memory locationsprogrammed in the radio, the Memory Location Scanoption will not be available. To program at least two(2) memory locations, see page 34.    MEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUScan All SchannelsMEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUScan CTCSSMEMSAMEATIS  VOX LO MEDHIVHFTRABGMRSXCIUScan DCSMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:59 PM  Page 48
VHF Marine Radio Protocols  Operating Your Radio50 English  IntroductionVHF Marine Radio Protocols  Operating Your Radio51Nothing Comes Close to a Cobra®Advanced Operation             HIR16 and ScanMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUBurp FeatureBurp FeatureCobra’s Burp feature allows the operator to expel water frominside the speaker grill. This is especially useful if the radio isdropped overboard or during extreme foul weatherconditions. In these conditions, water can become trapped inthe speaker grill and muffle the audio.  To Activate Burp:1. Press and release the 16/9 and SCAN keys at the same time.  2. The Burp tone(s) at maximum level will sound from the internal speaker for eight seconds.  3. During this time, the matrix will display BURP.4. Hold the radio with the speaker grill down to help the water drain out.5. After an 8-second interval, the radio will return tostandby.MEMSAMEATIS VOX            HIROGVHFTRABGMRSXCIUFloating RadioFloating RadioThis radio is designed to float if dropped overboard. Theorange center makes it visible and easy to retrieve. Thisrugged radio is also designed to meet JIS7 (IPX7)specifications. This means it’s designed to operate properlyafter being submerged in one meter deep water for 30minutes.NOTE Do not leave the radio floating in water permanently.This could cause premature corrosion of the batterycontacts and other damage.The radio is only designed to float with its includedLithium-ion battery. Using other approved batteriesmight cause the radio to sink. This includes the optionalAA battery tray, depending on the weight of the AAbatteries used.  Operating Your RadioMarine (VHF), GMRS and Weather Standby Band SelectionsThe BAND button allows you to quickly toggle between the Marine (VHF), GMRS and WX Alert Standby bands.To Make a Band Selection:Press BAND button to toggle between the Marine (VHF) Standby, GMRS Standby or WX Standby.Marine (VHF) Standby ModeMarine Standby mode is the default mode for the radiowhenever it is turned On. From this mode, you can change current settings by becoming familiar with the different keyfunctions. While in Marine Standby mode, the user will be able to Transmit (Tx) by pressing the Push to Talk (Talk)button. Signals in Receive (Rx) mode will be received onthe selected channel(s).NOTECoast Guard alerts are broadcast on Channel 16 andyou need to have the WX Alert or SAME turned On toreceive NOAA weather alerts. While in Marine Standby mode, you will receive any messages sent on the channel to which you are tuned.  VTRAXTransmit (Tx) IconVTRAXReceive (Rx) IconMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:59 PM  Page 50
53Nothing Comes Close to a Cobra®VHF Marine Radio Protocols  Operating Your RadioVHF Marine Radio Protocols  Operating Your RadioOperating Your Radio52 EnglishOperating Your RadioSAME Alert CodesYour HH450 radio has the ability to alert you when NOAA sendsout alerts from their Emergency Alert System (EAS). Thesealerts cover any weather related watches, warnings orstatements. Using this system insures that you will always beaware of you local Weather, Civil, and National emergencyevents.For a complete list of all the event codes your radio is capableof displaying, please go to the following web address:http://www.nws.noaa.gov/os/eas_codes.shtml#listMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUWX Auto Seatch (SCAN)WX Auto Search (SCAN) Mode FunctionThe purpose of the WX Auto Search (SCAN) function is to enable the receiver toautomatically scan for an active WX channel under the following conditions: 1. WX Auto Search (SCAN) function is On.2. WX Alert is On.3.The radio is tuned to a Marine or GMRS channel and hasentered Power Save mode (meaning there is no signal activityor user input for 10 seconds).4. The radio software has detected that the current WXchannel signal level has dropped below a preset minimumlevel or is gone completely.Once these conditions have been met, the software will then scan the Weatherchannels looking for an active Weather channel. When an active Weather channel isfound it will stop the scan and use the new Weather channel to look for the standard1050Hz alert tone. MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUWeather Alert Standby             WX/H-M-L Button Weather Standby ModeTo enter and exit the Weather Standby mode, press and holdthe WX/H-M-L button or press the BAND key. Receiving a Weather AlertNOAA broadcasts weather information as described in theNOAA weather channels section on page 75 of this manual.When NOAA broadcasts a weather alert signal and your radio isin WX Alert Standby mode, the following items will bedisplayed on the LCD display:■The WX icon (cloud/sun) icon will be displayed.■The last used weather channel will be displayed.■The bar graph will display received signal strength level.■The WX Alert (triangle) or SAME Alert icon will bedisplayed if either of these alerts are enabled.■The matrix will display WEATHER STANDBY.NOTEOnly one (1) or two (2) of the weather channels will beoperating in any given location [only in Receive (Rx)mode]. You will need to select the channel with thestrongest signal in your location. NOTEWhen WX Alert is turned on, and NOAA sends the 1050Hz alert tone, the radio will sound a series of loud beepsregardless of the volume control setting.NOTEWhen SAME Alert is turned on, and NOAA sends aSAME message, the radio will display the NOAA warningmessage.NOTEWhen either WX or SAME is set on, then in Marine andGMRS standby modes, the radio will display the selectedweather channel.        MEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUWeather Alert StandbyMEMSAMEATIS  VOX LOMEDHIVHFTRABGMRSXCIUWeather ScanMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:59 PM  Page 52
55Nothing Comes Close to a Cobra®VHF Marine Radio Protocols  Specifications54 EnglishVHF Marine Radio Protocols  Operating Your RadioTransmit (Tx) and Receive (Rx) ModesTransmit (Tx) and Receive (Rx) modes gives you the ability tointeract with other GMRS radios. When you use this capability, besure to follow the procedures and to observe the courtesies thatgovern its use so everyone benefits. (See pages XX through XX) tohelp you select the proper channels.When a talk transmission occurs, the following icons will bedisplayed.■Transmit (Tx) Icon■Bar Graph IconTo Transmit a Message:1. Check to see that your radio is set to a proper channel for thetype of message you plan to send.2. Toggle to the Low Power setting.3. With the microphone about 2 in. [51 mm] from your mouth,press and hold the Talk button and speak into the microphone.The Transmit icon will appear on the LCD.4. Release the Talk button when you are finished speaking. Yourradio can only operate in either Transmit (Tx) or Receive (Rx)mode at any given time. You will not hear the response to yourmessage unless the Talk button is released. Battery Power iconis held at the level it was at during receive.NOTEIf the Talk button is held down for five (5) minutes, the radio will automatically sound a series of beepsand cease transmitting to prevent unwanted signalgeneration and battery drain. As soon as the Talkbutton is released, it can be pressed again to resume transmission.  GMRS Standby ModeThe GMRS (General Mobile Radio Service) Standby feature is aland-mobile service available for short-distance, two-waycommunications in the USA. You must have a valid FCC licenseto communicate on these channels (see page XX).While in GMRS Standby mode, the user will be able to Transmit(Tx) by pressing the Push to Talk (Talk) button. Signals inReceive (Rx) mode will be received on the selected channel(s).When in GMRS Standby mode, the radio has the ability toreceive calls as well as transmit callsNOTEAs GMRS channels are scrolled, you will see CTCSS or DCSicons displayed on the LCD screen if the codes have beenpreviously programmed. You will only hear transmissionsfrom other radios with the equivalent subcodes programmed.When a transmission is received, the following icons will be displayed. ■Receive (Rx) Icon■Bar Graph Icon  Operating Your Radio Operating Your RadioMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:59 PM  Page 54
  Introduction57Nothing Comes Close to a Cobra®56 English  Operating Your RadioMaintenance andTroubleshootingNo display on LCD whenradio is turned OnBatteries are exhaustedBatteries not installedproperlyRecharge or replace batteriesRemove batteries andreinstall according topolarity markingsBatteries run down quicklyBatteries are at the end of their lifeReplace with newbatteriesWill transmit at one (1) or three (3) watts,but not at six (6)wattsBatteries are lowSelected channel is limitedto one (1) wattRecharge or replace batteriesSwitch to another channelWill not transmit Selected channel islimited to receive onlySwitch to another channelNo sound from speaker Volume level is too low orsquelch level is too deepRe-adjust volume and squelchNo response to button pressButton lock is On Press and hold Backlight/Key Lock buttonNo answer to calls Out of range of other stationSignal is blocked by terrainSwitch to Medium or Hightransmit power or movecloser.Problem Possible Cause(s) Solution(s)Maintenance •Very little maintenance is required to keep your Cobra VHF/GMRS radio in good operating condition:■ Keep the radio and charger clean by wiping with a soft cloth and mild detergent.Do not use solvents or harsh or abrasive cleaners, which could damage the caseor scratch the LCD screen.■ If the radio is exposed to salt water, wipe with a soft, moist cloth at least once aday to prevent buildup of salt deposits, which could interfere with buttonoperation.■ If the radio will be stored for a long period, such as over the winter, remove the batteries from the battery tray and store them in a separate package. This is especially important if you are using alkaline batteries.Troubleshooting •SpecificationsSpecifications •GeneralNumber of Channels All U.S., Canadian, and International NOAA Weather Channels, 15 GMRSChannelsChannel Spacing  VHF - 25 kHz Max., GMRS - 12.5 kHzModulation VHF - 5 kHz Max., GMRS - 2.5 kHzInput Voltage 7.4 VDCBattery Life:  Lithium-ion: 8 hrs @ High Power,5% TX, 5% RX, 90% Stand-by 14 hrs @ Low Power;Current Drain:  Stand-by 45 mAReceive 150 mATransmit 1.8 A @ High power   650 mA @ Low PowerTemperature Range -20˚C to 50˚CRadio Dimensions 4.8 in. x 2.4 in. x 1.4 in. (123 mm x 62 mm x 36 mm) not including antennaRadio Weight 0 lbs 8 oz. (228 g) without batteriesReceiverFrequency Range VHF 156.050 to 163.275 MHzGMRS 462.5500 to 467.7250 MHzReceiver Type Marine VHF: Double Conversion Super-HeterodyneGMRS & WX: Low if direct conversion. Sensitivity (typical): Marine VHF: 12 dB Sinad:  -121 dBmAdjacent Channel Selectivity Marine: 70dB, GMRS: 50dB, WX: 55dB (typical)Intermodulation and Rejection Marine: 70dB, GMRS: 65dB, WX: 55dB (typical)Spurious and Image Rejection Marine: 70dB, GMRS: 50dB, WX: 65dB (typical)AF Output 400 mW < 5% distortion @ 8 ohmsTransmitterFrequency Range: TX VHF 156.025 to 157.425 MHzGMRS 462.5500 to 462.7250 MHzRF Output Power Marine:1, 3 & 6 Watts/GMRS: 1, 3 & 4.5 WattsSpurious Emissions -60 dBc @ High Power,  -55 dBc @ Low PowerMicrophone Type  CondenserFrequency Stability +/-5 ppmFM Hum and Noise 40 dBMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:59 PM  Page 56
58 English 59Nothing Comes Close to a Cobra®  IntroductionProduct ServiceLimited 3-Year Warranty •For Products Purchased In The U.S.A.Cobra Electronics Corporation warrants that its Cobra VHF/GMRS radio, and thecomponent parts thereof, will be free of defects in workmanship and materials for a period of three (3) years from the date of first consumer purchase. This warrantymay be enforced by the first consumer purchaser, provided that the product is utilizedwithin the U.S.A. Cobra will, without charge, repair or replace, at its option, defective radios, productsorcomponent parts upon delivery to the Cobra Factory Service department, accompaniedbyproof of the date of first consumer purchase, such as a duplicated copy of a sales receipt. You must pay any initial shipping charges required to ship the product for warrantyservice, but the return charges will be at Cobra’s expense, if the product is repaired orreplaced under warranty. This warranty gives you specific legal rights, and you mayalso have other rights which may vary from state to state.Exclusions: This limited warranty does not apply:1. To any product damaged by accident.2. In the event of misuse or abuse of the product, or as a result of unauthorized alterations or repairs.3. If the serial number has been altered, defaced, or removed.4. If the owner of the product resides outside the U.S.A.All implied warranties, including warranties of merchantability and fitness for aparticular purpose are limited in duration to the length of this warranty. Cobra shall not be liable for any incidental, consequential or other damages; including,without limitation, damages resulting from loss of use or cost of installation. Some states do not allow limitations on how long an implied warranty lasts and/or do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations may not apply to you.For Products Purchased Outside The U.S.A.Please contact your local dealer for warranty information.Trademark Acknowledgement  •Cobra®, CobraMarine®, Nothing Comes Close to a Cobra®, and the snake design areregistered trademarks of Cobra Electronics Corporation, USA.Cobra Electronics Corporation™ is a trademark of Cobra Electronics Corporation, USA.Customer Service  Product Service •If you have any questions about operation or installing your new Cobra VHF/GMRS product or if you are missing parts…Please call Cobra first! DO NOT RETURN THIS PRODUCT TO THE STORE! See customer assistance on page A1.If your product should require factory service, please call Cobra first before sendingyour radio. This will ensure the fastest turn-around time on your repair. You may beasked to send your radio to the Cobra factory. It will be necessary to furnish the following to have the product serviced and returned:1.  For warranty repair, include some form of proof-of-purchase, such as a photocopyof a sales receipt. If you send the original receipt, it cannot be returned.2. Send the entire product.3. Enclose a description of what is happening with the radio. Include a typed or clearly printed name and address of where the radio is to be returned.4. Pack radio securely to prevent damage in transit. If possible, use the original packing material.5. Ship prepaid and insured by way of a traceable carrier such as United ParcelService (UPS) or Priority Mail to avoid loss in transit to: Cobra Factory Service,Cobra Electronics Corporation, 6500 West Cortland Street, Chicago, Illinois 60707U.S.A.6.  If the radio is in warranty, upon receipt of your radio, it will either be repaired or exchanged depending on the model. Please allow approximately three (3) to four (4) weeks before contacting Cobra for status. If the radio is out of warranty,a letter will automatically be sent informing you of the repair charge or replacement charge.7.  If your radio is returned for factory repair, it will be returned to you with defaultsettings restored.If you have any questions, please call 773-889-3087 for assistance.  IntroductionWarranty  Warranty and TrademarkAcknowledgementMRHH450DUAL_BODY_MRHH330_ENG_Body  12/5/13  5:59 PM  Page 58

Navigation menu