Cobra Electronics MR F75 Voice Transmission, Transmit Power Output, Channels, Transmit a Message

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Voice Transmission

Operating Your Radio

Voice Transmission

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Transmit mode gives you the ability to communicate with safety services, other vessels, and shore stations. When you use this capability, be sure to follow the procedures and to observe the courtesies that govern its use so everyone benefits. (The tables on pages 14 through 23 will help you select the proper channels.)

Before pressing the Talk button to transmit a message, you should select the

Voice Transmission

Operating Your Radio

Transmit Power Output

Your radio can Transmit selectively at one (1) or 25 watts of power. Cobra® suggests you maintain the low power setting for short-range communications and to avoid overpowering nearby stations with your signal. Use the high power setting for long-range communications or when you do not receive a response to a signal sent at one (1) watt.

appropriate channel and transmit power output.

Channels

You can transmit voice messages on most VHF Channels. Refer to the VHF marine channel assignments on pages 14 through 23 to select a channel according to the type of message you are going to send.

High/Low Power Button

High/Low Power

To Toggle Between The High And Low Power Modes:

1.Press the High/Low Power button.

The LCD will show which mode is in effect.

Some channels are restricted to use at a maximum of one (1) watt. Your radio will automatically set the power to Low Power mode when you select those channels.

Up/Down Buttons

To Change The Channel You Can Choose

From One (1) Of The Following:

a. Press the Up/Down buttons. This will take you to the next higher or lower VHF channel. (When on Channel 88A, the next higher channel is Channel 1 and vice versa.) For rapid advance, press and hold the Up or

While using the U.S.A. channel map, if, in an emergency, you need to increase the output power on Channel 13 and Channel 67 for your signal to be heard, you can override the Low Power mode by pressing and holding the High/ Low Power button.

Channel 16/9 Buttons

Down buttons. (The confirmation tone will sound only for each button press, not during rapid advance.)

b. Press the Channel 16/9 button. This will take you to Channel 16 with one (1) press and to Channel 9 with a second press. Additional presses will toggle between Channel 16 and Channel 9. Press and hold the Channel 16/9 button to return to Standby mode.

Low Power Setting

2 Inches From Mouth

Talk Button

Transmit Icon

Transmit A Message

To Transmit A Message:

1.Check to see that your unit is set to a proper channel for the type of message you plan to send.

2.Toggle to the low power setting.

3.With the microphone/speaker about two (2) inches [five (5) cm] from your mouth, press and hold the Talk button and speak into the microphone/speaker. Transmit will be indicated on the LCD.

4.Release the Talk button when you are finished speaking. Your unit can only operate in either the Transmit or the Receive mode at any given time. You will not hear the response to your message unless the Talk button is released.

NOTE

If the Talk button is held down for five (5) minutes, the radio will automatically cease transmitting to prevent unwanted signal generation. As soon as the Talk button is released, it can be pressed again to resume transmission.

42 English

Nothing comes close to a Cobra® 43

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Contents MR F75 Customer Assistance For Assistance In The U.S.A For Assistance Outside The U.S.ATransceiver Controls Indicators And Connections Microphone/Speaker Product FeaturesTable Of Contents Important Safety Information Important Safety InformationSafety Training Information Always use only Cobra authorized accessoriesFCC Information VHF Marine Radio Procedures Voice CallingMaritime Mobile Service Identity Mmsi Maritime Mobile Service Identity MmsiDigital Selective Calling DSC Digital Selective Calling DSCEmergency Messages Distress Procedure Radiotelephone CallsMarine Distress Procedure Marine Distress Procedure DSCTell where you are SayVHF Marine Channel Assignments International Distress, Safety and Calling 03A Government Only21A U.S. Government Only Canada Coast Guard Only 23A Government Only64A U.S. Government Only Canada Commercial Fishing Digital Selective Calling Voice communications not allowed78A 79A80A 81AWorld City Time Zones Noaa Weather Channels AlertMounting Powering The Radio Included In This PackageElectrical Power Connection Microphone/Speaker BracketFlush Mount Installation Requirements Antenna Requirements And AttachmentRadio Operator Requirements Safe Maximum Permissible Exposure MPE RadiusExternal Devices Connections Tones And Alarms Power On-OffVolume Getting StartedStandby And Receive SquelchSet-Up Routines Settings Menu Set-Up RoutinesLCD Backlight LCD ContrastTo Set Your Radio For The Area In Which You Will Be Using It A./International/Canada Channel MapsTransmit Power Output Voice TransmissionVoice Transmission ChannelsWeather Radio And Alert Public AddressNoaa All Hazards/Weather Radio And Alert Weather Alert Set-UpWeather Alert Signal Advanced OperationAdvanced Operation Tri-WatchMemory Channels Memory ScanDSC Set-Up DSC Set-UpUser Mmsi Number If You Incorrectly Enter Your Mmsi NumberIf You Transfer Your Radio To a Different Vessel Group Mmsi NumberDSC Scanning Position Request Reply Type Individual DirectoryTo Set The Position Request Reply Type To Enter Or Edit Names And Mmsi Numbers In The DirectoryDSC Operation DSC OperationSending Distress Calls Receiving Distress Calls Sending An All Ships CallsRegarding Distress Relay Calls Receiving Distress Relay CallsReceiving An All Ships Call Sending An Individual CallSending a Geographical Call Receiving a Geographical CallReceiving An Individual Call Receiving a Group CallSending a Group Call Sending a Position RequestTo Exit The Position Request Mode If You Receive a PositionIf The Station You Called Cannot Send Its Position If The Station You Called Chose Not To ReplyReceiving a Position Request Sending a Position SendStandby Mode Signal Receiving a Position SendCall Waiting Maintenance Troubleshooting SpecificationsMaintenance TroubleshootingWarranty Product ServiceExclusions This limited warranty does not apply For Products Purchased In the U.S.AOrder Form Optional Accessories Ordering From U.S.AMake check or money order payable to
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