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Cobra Electronics MR F75-D owner manual Electrical Power Connection, To Connect To a Power Source

Models: MR F75-D

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Installation And Start-Up

Warning Sticker

Mounting And Powering The Radio

Warning Sticker

FCC regulations require that the Warning Sticker supplied with this radio be applied to a spot where it is easily seen by the radio operator. Be sure the location is clean and dry before applying the sticker.

Mounting And

Powering The Radio

Installation And Start-Up

NOTE

All wiring is best kept as short as possible. If the power leads must be extended, use a high-quality, marine-grade cable sized for up to 10 amps of current. To minimize voltage drop, choose a wire gauge as follows:

Power Connection Cables

– +

Red Cable

Positive (+)

Black Cable

Negative (-)

Electrical Power Connection

Your CobraMarine VHF radio is powered from the vessel’s 13.8-volt negative ground direct current electrical system (12-volt nominal). A fused power connection lead is provided at the back of the transceiver.

To Connect To A Power Source:

1.Attach the black (-) wire to a negative (-) ground.

2.Attach the fused red power (+) wire to the positive (+) side of the power system.

Length	Wire Gauge

Up to 1.5m(4.9ft)	1.6 mils(#14)

Up to 3.0m(9.8 ft)	2.0 mils(#12)

Up to 5.0m(16.4 ft)	2.6 mils(#10)

Up to 6.0m(19.7 ft)	3.3 mils(#8)

NOTE

This radio will draw up to 8 amps when transmitting at full power.

NOTICES

A reverse polarity connection will damage the radio.

When replacing the fuse in your transceiver, use only the size and type originally provided.


18 English		Nothing Comes Close to a Cobra® 19

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Cobra Electronics MR F75-D owner manual Electrical Power Connection, To Connect To a Power Source, Length Wire Gauge

Contents

Our Thanks To You Customer Assistance Class-D Fixed Mount VHF RadioCustomer Assistance For Assistance In The U.S.A For Assistance Outside The U.S.ATransceiver Controls Indicators And Connections Microphone/Speaker Product FeaturesProduct Features Microphone/Speaker With Auxiliary ControlsTable Of Contents Important Safety Information Important Safety InformationSafety Training Information Always use only Cobra authorized accessoriesRecommendations For Marine Communication FCC InformationVHF 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 CallsRadiotelephone Calls Marine Distress Procedure Marine Distress Procedure DSCTell where you are SayAccessories Order Info Included In This PackageFor Credit Card Orders To Order OnlineMounting Powering The Radio Mounting And Powering The RadioMounting Electrical Power Connection To Connect To a Power SourceLength Wire Gauge Installation Requirements Antenna Requirements AttachmentAntenna Requirements And Attachment Safe Maximum Permissible Exposure MPE RadiusExternal Devices Connections External Devices And ConnectionsTones And Alarms Power On-OffVolume Getting StartedTo Decrease The Volume You Can Choose One Of The Following To Receive Weaker SignalsStandby And Receive SquelchSet-Up Routines Settings Menu Set-Up RoutinesLCD Backlight LCD ContrastConfirmation tone setting on or OFF Confirmation ToneA./International/Canada Channel Maps Time OffsetTransmit 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 ScanDigital Select Calling DSC Setup 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 DirectoryDigital Select Calling DSC 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 Position Request Sending a Group CallTo Exit The Position Request Mode If The Station You Called Chose Not To ReplyIf You Receive a Position If The Station You Called Cannot Send Its PositionReceiving a Position Request Sending a Position SendReceiving a Position Send Call Log and Distress Log To Clear Messages From The Call Log MemoryMaintenance Troubleshooting SpecificationsMaintenance TroubleshootingEnglish Nothing Comes Close to a Cobra VHF Marine Channel Assignments 01A 03A04A 05A18A 19A20A 21A25B 28B61A 62A78A 79A80A 81AWeather Channel Assignments VHF Marine Channel Assignments EnglishWarranty World City Time ZonesWorld City Time Zones For Products Purchased In the U.S.AProduct Service Flush Mount Template / Plantilla para montaje empotrado