Cobra Electronics MRBTM1 BLUETOOTH MODULE FOR MARINE RADIO User Manual MRHH330 ENG Body
Cobra Electronics Corporation BLUETOOTH MODULE FOR MARINE RADIO MRHH330 ENG Body
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![VHF Marine Radio ProtocolsOperating Your Radio25Nothing Comes Close to a Cobra®Standby/Receiveand TransmitStandby/Receive and Transmit •Marine Standby and Receive (Rx) ModeMarine Standby mode is the default mode for the radio whenever it is turned on.From this mode, you can change current settings by becoming familiar with thedifferent key functions in Marine Standby mode. While in Marine Standby mode, theuser will be able to transmit by pressing the Push to Talk (Talk) button. Signals inReceive (Rx) mode will be received on the selected channel(s), and alerts broadcastby NOAA will activate the corresponding NOAA weather alert channels in your radio.NOTECoast Guard alerts are broadcast on Channel 16. You must have the WX Alertturned On to receive NOAA weather alerts. While in Marine Standby mode, youwill receive any messages sent on the channel to which you are tuned.Transmit (Tx) ModeTransmit (Tx) mode gives you the ability to interact withsafety services, other vessels and shore stations. When youuse this capability, be sure to follow the procedures and toobserve the courtesies that govern its use so everyonebenefits. See Appendix to help you select the properchannels.To Transmit a Message:1. Check to see that your radio is set to a proper channel forthe type of message you plan to send.2. Toggle to the Low Power setting.3. With the microphone about 2 in. [51 mm] from yourmouth, press and hold the Talk button and speak into themicrophone. The Transmit icon will appear on the LCD.4. Release the Talk button when you are finished speaking.Your radio can only operate in either Transmit (Tx) orReceive (Rx) mode at any given time. You will not hearthe response to your message unless the Talk button isreleased. If the Battery Power icon begins blinking on theLCD when the Talk button is pressed, the radio will NOTtransmit.24 EnglishVHF Marine Radio ProtocolsOperating Your RadioStandby/Receiveand TransmitNOTEIf 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 toresume transmission.NOAA Weather Channels and Alert •Monitoring the weather will probably be a frequent use of your radio. NOAA providescontinuous, around-the-clock broadcasts of the latest weather information. Taped weathermessages run every four (4) to six (6) minutes and are revised every two (2) or three (3)hours, or as needed. The Coast Guard also announces weather and other safety warningson Channel 16. Smart boaters keep an eye on safety and an ear to the radio — and neverlet the weather catch them unaware.NOAA Emergency Weather AlertIn the event of a major storm or other weather condition requiring vessels at sea or onother bodies of water to be notified, NOAA broadcasts a 1050 Hz tone that receivers suchas your CobraMarine VHF radio can detect and warn you of a weather alert condition.When the Weather Alert mode on your radio is On, this signal will produce a loud tonefrom the speaker in the radio and will automaticallyswitch to the alerting weather channelso the alert broadcastcan be heard.NOAA Test Alert SystemTo test this system, NOAA broadcasts the 1050 Hz signal every Wednesday sometime between11 a.m. and 1 p.m. in each localtime zone. Any receiver that can detect the weather alert tone mayuse this service to verify that this system is functioning properly.Low Power ModeCheck Channel NumberTalk ButtonTransmit (Tx) IconReceive (Rx) Icon](https://usermanual.wiki/Cobra-Electronics/MRBTM1.Users-Manual-2/User-Guide-1126419-Page-16.png)
![VHF Marine Radio ProtocolsOperating Your Radio27Nothing Comes Close to a Cobra®Standby/Receiveand TransmitWeather (WX) Standby ModeTo enter the WX Standby mode, press and hold theWX/H-M-L button.Receiving a Weather AlertNOAA broadcasts weather information as described in theNOAA weather channels section on page 63 of this manual.When NOAA broadcasts a weather alert signal and your radiois in 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 icon (safety triangle) will be displayed.NOTEOnly one (1) or two (2) of the weather channels willbe operating in any given location [only in Receive(Rx) mode]. You will need to select the channel withthe strongest signal in your location.NOTEWhen in the WX Alert mode, and NOAA sends the1050 Hz alert tone, the radio will sound a series ofloud beeps regardless of the volume control setting.WX/H-M-L Button26 EnglishVHF Marine Radio ProtocolsOperating Your Radio Advanced OperationAdvanced Operation •Channel 16/9 ModeChannel 16/9 mode gives you quick access to calling onChannel 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 toChannel 16.2. Press the Channel 16/9 button again to changeto Channel 9.3. Press the Channel 16/9 button a third time andreturn to the last used Standby channel.Channel 16/9 ButtonChannel 16 or Channel 9](https://usermanual.wiki/Cobra-Electronics/MRBTM1.Users-Manual-2/User-Guide-1126419-Page-17.png)
![VHF Marine Radio Protocols39Nothing Comes Close to a Cobra®Voice Calling■If the other does not respond, wait two (2) minutes and repeat. You are permittedto attempt contact three (3) times, two (2) minutes apart. If you still have notmade contact, wait 15 minutes before trying again.■After communications are completed, each vessel must sign off with its callsign or vessel name and the word “out” and return to Channel 16.NOTEFor best sound quality at the station you are calling, hold the microphone onthe front of the radio at least 2 in. (51 mm) from your mouth and slightly off toone (1) side. Speak in a normal tone of voice.NOTE“Over and Out”The most commonly misused procedure words are “over and out” within thesame transmission. “Over” means you expect a reply. “Out” means you arefinished and do not expect a reply.VHF Marine Radio ProtocolsFor Example38 EnglishVoice CallingVoice Calling •You are required to listen to Channel 16 while standing by. Channel 16 is the distressand safety channel used for establishing initial contact with another station and foremergency communication. The Coast Guard also monitors Channel 16 for safetypurposes for everyone on the water.NOTEChannel 9 may be used by recreational vessels for general-purpose calling.This frequency should be used whenever possible to help relieve congestionon Channel 16. The Coast Guard generally does not make urgent marineinformation broadcasts or weather warnings on Channel 9. Boaters are stillasked to “keep watch” on Channel 16 whenever the radio is turned on andnot in use with another station.To call another vessel or shore installation (e.g, lock or bridge tender):■Make sure the radio is On.■Make sure you are in standby listening mode on Channel 16. Make sureChannel 16 is not in use.■When the channel is open (quiet), press the Talk button and call a vessel.Hold the radio or microphone several inches from your face and speakclearly and distinctly in a normal voice tone. Say “name or station beingcalled,” “THIS IS [your vessel name or call sign].”■Once contact is made, you must leave Channel 16 and go to another workingchannel. See channel listing on pages 20-27.The vessel Corsair is calling the vessel Vagabond:Corsair: “Vagabond, this is Corsair. Over.”Vagabond: “Please switch and answer on Channel 68 (or any proper workingchannel). Over.”Corsair: “Switching to Channel 68. Over.”](https://usermanual.wiki/Cobra-Electronics/MRBTM1.Users-Manual-2/User-Guide-1126419-Page-23.png)
![VHF Marine Radio Protocols43Nothing Comes Close to a Cobra®Emergency Messagesand Distress ProcedureMarine Distress ProcedureSpeak slowly — clearly — calmly.1. Make sure your radio is On.2. Select Channel 16.3. Press Talk button and say:“MAYDAY — MAYDAY — MAYDAY.”(Or “PAN — PAN — PAN,”or “SECURITE — SECURITE — SECURITE.”)4. Say:“THIS IS [your vessel name or call sign],” repeated three (3) times.5. Say:“MAYDAY (or “PAN” or “SECURITE”)[your vessel name or call sign].6. Tell where you are:(what navigational aids or landmarks are nearby).7. State the nature of your distress.8. State the kind of assistance needed.9. Give number of persons aboard and conditions of any injured.10. Estimate present seaworthiness of your vessel.11. Briefly describe your vessel (length, type, color, hull).12. Say:“I WILL BE LISTENING ON CHANNEL 16.”13. End message by saying:“THIS IS [your vessel name or call sign]. OVER.”14. Release Talk button and listen. Someone should answer.If not, repeat the call, beginning at step 3 above.Keep the radio nearby. Even after your message has been received, the Coast Guardcan find you more quickly if you can transmit a signal for a rescue boat to hone in on.VHF Marine Radio Protocols42 EnglishEmergency Messagesand Distress ProcedureMarine Emergency SignalsThe three (3) spoken international emergency signals are:The distress signal MAYDAY is used to indicate that a station is threatened by graveand imminent danger and requests immediate assistance.The urgency signal PAN is used when the safety of the vessel or person is injeopardy. (This signal is properly pronounced pahn.)The safety signal SECURITE is used for messages about the safety of navigation orimportant weather warnings. (This signal is properly pronounced see-cure-ee-tay.)When using an international emergency signal, the appropriate signal is to be spokenthree (3) times prior to the message.If You Hear a Distress CallYou must give any message beginning with one (1) of these signals priority over anyother messages. ALL stations MUST remain silent on Channel 16 for the duration ofthe emergency unless the message relates directly to the emergency.If you hear a distress message from a vessel, stand by your radio. If it is not answered,YOU should answer. If the distressed vessel is not nearby, wait a short time forotherswho may be closer to acknowledge. Even if you cannot render direct assistance, you maybe in a position to relay the message.MAYDAYPANSECURITE](https://usermanual.wiki/Cobra-Electronics/MRBTM1.Users-Manual-2/User-Guide-1126419-Page-25.png)
![VHF Marine Radio Protocols44 EnglishFor ExampleEmergency Messagesand Distress Procedure“Mayday — Mayday — Mayday”“This is Corsair — Corsair — Corsair” [or “IL 1234 AB,” repeated three (3) times]“Mayday Corsair (or IL 1234 AB)”“Navy Pier bears 220 degrees magnetic — distance 5 miles”“Struck submerged object and flooding — need pump and tow”“Four (4) adults, three (3) children aboard — no one injured”“Estimate we will remain afloat one-half hour”“Corsair (or IL 1234 AB) is 26 ft sloop with blue hull and tan deck house”“I will be listening on Channel 16”“This is Corsair (or IL 1234 AB)”“Over”It is a good idea to write out a script of the message form and post it where youand others on your vessel can see it when an emergency message needs to be sent.Introduction45Nothing Comes Close to a Cobra®Warranty and TrademarkAcknowledgementLimited 3-Year Warranty •For Products Purchased In The U.S.A.Cobra Electronics Corporation warrants that its CobraMarine VHF radio, and thecomponent parts thereof, will be free of defects in workmanship and materialsfor 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 isutilized within the U.S.A.Cobra will, without charge, repair or replace, at its option, defective radios, productsor component parts upon delivery to the Cobra Factory Service department, accompaniedby proof of the date of first consumer purchase, such as a duplicated copy of asales 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 repairedor replaced under warranty. This warranty gives you specific legal rights, and youmay also 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 resultof 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. Cobrashall 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/ordo 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.Warranty](https://usermanual.wiki/Cobra-Electronics/MRBTM1.Users-Manual-2/User-Guide-1126419-Page-26.png)
