Uniden America UT642 PORTABLE VHF PTT MARINE RADIO TRANSCEIVER User Manual
Uniden America Corporation PORTABLE VHF PTT MARINE RADIO TRANSCEIVER Users Manual
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![E-6 Uniden MHS135 Radio Owner’s ManualChargerThe LCD displayshows different information depending on what you are doing. This sample screen shows some of this information. The table below shows all the possible icons and what they mean.Display icons and what they meanIcon What it meansYou are currently transmitting., , or The transmitter power is set to LOW (1W), MID (2.5W), or 6W.The keys are locked. , , or The radio is set to use US channels, CANadian channels, or INTernational channels. or TRIple Watch or DUAL Watch is turned on.Charging contactsCHARGE LEDScrew holes for mountingPower jack[cigarette (DC) or wall (AC) plug]Charging latches88Transmit power level (1, 2.5, or 5 Watts) This channel is stored in memory.Triple Watch is onThe radio is in scan modeKey lock is onThe radio is transmitting Current channel numberUIC channel mode (USA, CANada, or INTernational)Weather Alert Watch is on. Battery status iconFPO](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-10.png)
![E-22 Uniden MHS135 Radio Owner’s Manual1. Press MENU/CALL to bring up the Normal menu. 2. Select Setup, and then FIPS Codes.3. [New] and a list of previously entered FIPS codes display. Enter a new FIPS code or select from the list of existing FIPS codes to edit or delete.Adjusng the LampThe backlight LCD function can be set to automatically dim after a predetermined time.1. Press MENU/CALL and select System.2. Select Lamp Adjust, 3. Lamp Adjust options are Always On, Always Off, or Timer.Adjust the LCD ContrastThis feature lets you adjust the LCD’s contrast level. It also permits you to reverse the contrast completely. You can choose to have dark letters on a light background or light letters on a dark background. 16USAContrast/RVS.NormalBack[MENU]Exit[CLR]Save[ENT]Press SystemContrast/RVS1. Press MENU/CALL and select System.2. Select Contrast/RVS, then press CHANNEL UP or CHANNEL DOWN to adjust the contrast.3. Pressing DOWN to turn the contrast all the way off will reverse the background/letters.](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-26.png)
![E-27Uniden MHS135 Radio Owner’s ManualEntering MMSI numbers Use the CHANNEL UP and CHANNEL DOWN keys to scroll through numbers (and letters when entering names). When you see the number/letter you want, press the right arrow (GPS/MEM) to move the cursor to the next space. Press the left arrow (WX/SOS) to back up.When using the CHANNEL UP and CHANNEL DOWN keys to enter a name, the alphabetic and numeric characters display in the following order: xCapital letters (A through Z) xLower-case letters (a through z) xPunctuation (/ ‘ + -) xNumbers (0 through 9) xOne blank spaceEntering Your User MMSI Number #1. Press and hold MENU/CALL to display the Call Menu.2. Scroll to DSC Setup and press ENTER-H/M/L.The DSC Setup menu displays.3. Scroll to User MMSI and press ENTER-H/M/L. The User MMSI screen displays. 4. Select [New] and press ENTER-H/M/L.0________Use the up and down arrows to adjust each of the nine digits in turn.16User MMSIBack[MENU]Exit[CLR]Save[ENT]Name AUSAThe Save option displays only when entering the User MMSI number the first time.DSC SetupPress and hold [New]Directory](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-31.png)
![E-28 Uniden MHS135 Radio Owner’s Manual5. Enter the MMSI number as described previously. When the ninth digit is correct, press ENTER-H/M/L and the cursor moves to the Name eld.6. Enter the name as described previously. When you have entered the name, press ENTER-H/M/L.7. The radio displays the new MMSI number and name and asks you to conrm. To save this MMSI number and name, press ENTER-H/M/L. To cancel this MMSI number, press CLR/SCAN. #8. Before saving the number, the radio displays the message Conrm number! User MMSI data is Permanent! Press ENTER-H/M/L to accept this MMSI. Press CLR/SCAN to return to the directory.Entering a group MMSI numberYou can change the group MMSI number as often as you want. The rst digit of a group MMSI is xed at “0.” Follow the steps below to enter a group MMSI number into the radio: 1. Press and hold MENU/CALL to display the Call Menu.2. Scroll to DSC Setup and press ENTER-H/M/L.The DSC Setup menu displays.3. Scroll to Group MMSI and press ENTER-H/M/L. The Group MMSI screen displays. 4. Group MMSI numbers always start with a 0, so that digit is already entered for you. Enter the MMSI number as described previously. When the ninth digit is correct, 0________Use the up and down arrows to adjust each of the eight-digits in turn.16Group MMSIBack[MENU]Exit[CLR]Save[ENT]USADSC SetupPress and hold Group MMSI](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-32.png)
![E-29Uniden MHS135 Radio Owner’s Manualpress ENTER-H/M/L. The radio asks you to conrm. 5. To save this MMSI number, press ENTER-H/M/L. To cancel this MMSI number, press CLR/SCAN. Entering an individual MMSI numberFollow the steps below to enter individual MMSIs and names of other vessels into the directory:1. Press and hold MENU/CALL to display the Call Menu.2. Scroll to DSC Setup and press ENTER-H/M/L.The DSC Setup menu displays.3. Scroll to Directory and press ENTER-H/M/L. The Directory menu displays. 4. Select [New] and press ENTER-H/M/L. 5. Enter the MMSI number as described previously. When the ninth digit is correct, press ENTER-H/M/L and the cursor moves to the Name eld.6. Enter the name as described previously. When you have entered the name, press ENTER-H/M/L.7. The radio displays the new MMSI number and name and asks you to conrm. To save this MMSI number and name, press ENTER-H/M/L To cancel this MMSI number, press CLR/SCAN.The directory lets you store up to 20 MMSI numbers of other stations so you can call them quickly. Entering the MMSI numbers and names of individual vessels is described on page ______. Follow the steps below to edit the MMSI numbers in your 0________Use the up and down arrows to adjust each of the nine digits in turn.16User MMSIBack[MENU]Exit[CLR]Save[ENT]Name AUSAThe Save option displays only when entering the User MMSI number the first time.DSC SetupPress and hold [New]Directory](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-33.png)
![E-30 Uniden MHS135 Radio Owner’s Manualdirectory: 1. Press and hold MENU/CALL to display the Call menu. 2. Scroll to DSC Setup and press ENTER-H/M/L.The DSC Setup menu displays. 3. Scroll to Directory and press ENTER-H/M/L.The Directory screen displays. This screen lets you add a new MMSI or edit/delete an existing MMSI. 4. To enter a new MMSI, select [NEW] and follow the procedures for New MMSI Number on _______. 5. To edit an existing MMSI number/name, select the entry and press ENTER-H/M/L.6. Select Edit and press ENTER-H/M/L. The MMSI number and name display. Edit accordingly and press ENTER-H/M/L when complete. A conrmation screen displays.7. Press ENTER-H/M/L to accept the edits or CLR/SCAN to cancel. The radio returns to the directory list. 8. To delete the directory entry, select Delete. 9. When you are satised with the directory list, press CLR/SCAN to close the menu screen. There are essentially four different types of DSC voice calls: Back[MENU]Exit[CLR]Save[ENT]AUSAMMSI123456789NameUniden16DirectoryPress and hold [Entry]DSC SetupEdit](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-34.png)
![E-36 Uniden MHS135 Radio Owner’s Manualradio and want to see who has tried to contact you. The radio displays the last 10 distress calls and the last 50 non-distress calls that it received. If you have unread incoming DSC calls, the radio displays a Message icon. When you display all Distress and Other receiving logs, the message icon disappears. 1. Press and hold MENU/CALL to display the Call menu. 2. Select Receive Log. 3. Select Distress to see the last 10 distress calls received by the radio. Select Other to see the last 50 normal calls received by the radio, then choose from Individual, Group, or All Ships calls. 4. Calls are listed in the order they were received, with the newest call shown rst. The display blinks if there are new calls you have not reviewed. The Message icon also displays.5. Select the call you want to see the details of. Use CHANNEL UP and CHANNEL DOWN to see all of the information. The log displays different information depending on type of call received. See the table below for the information stored for each type of call: DSC Call Type Receive Log InformationDistress MMSI (or name), position, time, nature code. 16AUSADistress Log 123456789 246853790 357911135Back[MENU]Exit[CLR]Save[ENT]Press and hold Receive LogDistress](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-40.png)
![E-38 Uniden MHS135 Radio Owner’s ManualENTER-H/M/L to return that station’s call. Test CallsMaking Test Calls (Test) You can use the test call feature to make sure your radio is working and congured correctly. To avoid overloading coastal receiving stations, you should limit test calls to these stations to once a week. #1. Press and hold MENU/CALL to display the Call menu. 2. Select Test. 3. The radio displays the names listed in your directory; use CHANNEL UP and CHANNEL DOWN to choose the directory entry you want to send a test call to and press ENTER-H/M/L. 4. If you want to send a test call to a station that is not in your directory, select Manual. The radio prompts you to enter the MMSI number you want to call. Enter the MMSI number the same way you enter directory entries Test [Manual] JIM CASSIDY KENT NEWMANBack[MENU]Exit[CLR]Select[ENT]16USATestPress and hold](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-42.png)
![E-39Uniden MHS135 Radio Owner’s Manual(see page 22). Enter all nine digits and press ENTER-H/M/L. 5. The radio displays the MMSI number you are about to call and asks you to conrm. If you want to call the displayed number, select Send. To cancel the call, select Exit. 6. The radio automatically switches to channel 70 to transmit the test call request, then switches back to the last-used channel. 7. When the other station acknowledges the test call, the radio displays an acknowledgement screen. Back[MENU]Exit[CLR]Send[ENT]16USASendTest123456789TestAcknowledged123456789CompletedExit[CLR]16USA](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-43.png)
![E-40 Uniden MHS135 Radio Owner’s ManualReceiving Test Call SetupWhen another station sends you a test call, you can select options to answer the test call manually or have the radio answer automatically.1. Press and hold MENU/CALL to display the Call menu. 2. Select DSC Setup and then Test Reply. 3. Choose Auto and press ENTER-H/M/L. The radio will automatically send an acknowledgement when it receives a test call. 4. To disable automatic test call reply, repeat the steps above and select Manual. Acknowledging Test Call ReceiptDifferent screens display depending on whether you set the Test Reply to Auto or Manual.If Test Reply is set to Auto: If Test Reply is set to Manual:18Test 123456789006/20 11:00 SafetyExit[CLR]AUSA18Test 123456789 ReplyExit[CLR]USABack[MENU]Send[ENT]No action is necessary. Select Send to send a reply.18Test Reply Auto ManualBack[MENU]Exit[CLR]Select[ENT]AUSADSC SetupPress and hold Test Reply](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-44.png)
![E-41Uniden MHS135 Radio Owner’s ManualPOS RequestAnytime you need to know where another boat currently is—to nd your boating partners, to respond to a request for assistance, etc.—you can send a position request to their radio: 16POS Request [Manual] Norwester HarrisBack[MENU]Exit[CLR]Select[ENT]USAPOS RequestPress and hold 1. Press and hold MENU/CALL to display the Call menu. 2. Select POS Request and press ENTER-H/M/L.3. The radio displays the names listed in your directory; use CHANNEL UP and CHANNEL DOWN to choose the directory entry you want to contact and press ENTER-H/M/L. If you want to contact a station that is not in your directory, select Manual. The radio prompts you to enter the MMSI number you want to call. Enter the MMSI number the same way you enter directory entries (see page 22). Enter all nine digits and press ENTER-H/M/L. 4. The radio displays the MMSI number you are about to contact and asks you to conrm. If you want to request the position of the displayed MMSI number, select Send. To cancel the request, select Exit. 5. When the other station responds, the radio displays the MMSI number, the longitude, and the latitude of the other station. If your radio is connected to a chartplotter through the NMEA OUT connection (see page 34), the position information will also be displayed on the plotter](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-45.png)
![E-42 Uniden MHS135 Radio Owner’s Manualscreen. 6. If the other station does not have valid GPS data, the radio displays No Position. Posion ReplyWhen another station requests your current position, the radio displays the following screen: 1. Select the vessel you want to transmit your position to or select [Manual] to enter that vessel’s MMSI. Select Select.2. Select Send. The screen displays the coordinates sent and the MMSI number they were sent to. 3. To reject the position request, select Exit. Enabling Automac Posion ReplyIf you want the radio to automatically transmit your current position whenever it receives a position request, you can enable automatic position reply. Most boaters activate automatic position reply for safety reasons or because they subscribe to a marine towing service. Sometimes—for example, in some competitive situations--you may not want other stations to get your position without your manual conrmation 1. Press and hold MENU/CALL to display the Call menu. 2. Select DSC Setup and then POS Reply. 3. Choose Auto and press ENTER-H/M/L. The radio will automatically transmit your position when it receives a 16POS Send [Manual] Norwester HarrisBack[MENU]Exit[CLR]Select[ENT]USA](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-46.png)
![E-44 Uniden MHS135 Radio Owner’s Manual 1. Press and hold MENU/CALL to display the Call menu. 2. Select Standby to place your radio in standby mode. The radio displays the standby screen, above. 3. To cancel standby and return to the mode your radio was in, press any button. If you are involved in a bridge-to-bridge call, you may not want the radio to automatically switch channels when it receives a DSC call. In cases like this, you can disable automatic channel switching. If you receive an individual call, the radio will respond with an unattended code, just as if the radio were in Standby. 16USAAuto CH SW On OffBack[MENU]Exit[CLR]Select[ENT]Press and hold DSC SetupAuto CH SW1. Press and hold MENU/CALL to display the Call menu. 2. Select DCS Setup, then Auto CH SW.3. Select Off and press ENTER-H/M/L. The radio will not automatically switch channels until you reactivate this feature. USA LOW DSC Standby16AStandbyPress and hold](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-48.png)
![E-46 Uniden MHS135 Radio Owner’s ManualSelecng [Manual]1. From the Goto Fav. screen, select [Manual].2. Manually input coordinates. When the last digit is entered, the screen displays Go and Save.3. Select Go to display the coordinates and the compass bearing and begin traveling towards that destination. 4. Select Save to save the location into a Favorites directory. When you select Save, the screen prompts you to name these coordinates.5. When you have entered a name for the saved coordinates, they will appear on the Goto Fav. screen as a selection.Selecng a Goto Favorite1. From the Goto Fav. screen, select from the directory entries listed.2. The screen displays three options: Go, Delete, and Edit.3. Select Go to display the coordinates and the compass bearing and begin traveling towards that destination. Select Delete to delete the entry. Select Edit to change the entry.Add MenuThe Add menu allows you to save your current position to the Favorite directory.GPS SetupThe GPS Setup menu has eight sub-menus.18Goto Fav. [Manual] UnidenBack[MENU]Exit[CLR]Select[ENT]AUSAFavoritePress Goto](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-50.png)
![E-48 Uniden MHS135 Radio Owner’s Manual16USALED Always On OffBack[MENU]Exit[CLR]Save[ENT]Press SetupLED1. Display the normal menu and press Setup. 2. Select LED. The screen displays the LED menu.3. Select Always On to light the strobe LED or Off to turn it off. If you discover that a marine radio channel has a different common name in your local area, you can change the name of that channel to make it easier for you to use (see the channel lists beginning on page 40 for the default channel names). To rename a channel, follow the steps below:16USAChannel No./Name Rename DefaultBack[MENU]Exit[CLR]Save[ENT]Press SetupChannel NameChannel/Descr.1. Display the normal menu and choose the Setup sub-menu. 2. Select Channel Name. The screen displays the list of channels. 3. Use CHANNEL UP and CHANNEL DOWN to choose](https://usermanual.wiki/Uniden-America/UT642/User-Guide-1591462-Page-52.png)
