Cobra Electronics Mrf 80b owner manual Specifications

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8187-F80-Operation-8_MMB:F75-Operation-8 12/29/06 9:04 AM Page 77

Operating Your Radio	Specifications
Specifications	•
	•
General

Number of Channels	All U.S.A., Canadian, and International
	NOAA Weather Channels
Channel Spacing	25 kHz
Modulation	5 kHz Max.
Input Voltage	13.8 VDC
Current Drain:
Stand-by	100 mA
Receive	500 mA
Transmit	5A @ High power 1A @ Low
Temperature Range	-4˚F to 140˚F (-20˚C to 60˚C)
Unit Dimensions	6.375" x 3" x 6.25"
	(162 mm x 76 mm x 159 mm)
Unit Weight	2 lbs., 6.8 oz. (1100 g)

Receiver
Frequency Range	156.050 to 163.275 MHz
Receiver Type	Double Conversion Super-Heterodyne
Sensitivity:
20 dB Quieting	0.35 uV
12 dB Sinad	0.20 uV
Adjacent Channel Selectivity	-60 dB
Intermodulation and Rejection	-60 dB
Spurious and Image Rejection	-60 dB
AF Output	4 Watts @ 8 Ohms

Transmitter
Frequency Range: TX	156.025 to 157.425 MHz
RF Output Power	1 and 25 Watts
Spurious Emissions	-60 dB High -55 dB Low
Microphone Type	Electret
Frequency Stability	+/-10 ppm
FM Hum and Noise	40 dB

Nothing Comes Close to a Cobra® 77

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Contents For Assistance Outside the U.S.A Our Thanks to you Customer AssistanceCustomer Assistance For Assistance in the U.S.A Product Features Indicators and ConnectionsProduct Features Microphone/Speaker Backlit LCD Liquid Crystal Display ScreenBacklit LCD Liquid Crystal Display Screen Microphone/Speaker with Auxiliary ControlsTable Of Contents Safety Training Information Important Safety InformationImportant Safety Information Always use only Cobra authorized accessories Recommendations for Marine Communication Recommendations for Marine CommunicationFCC Licensing Information VHF Marine Radio Procedures Voice Calling Vessel Corsair calling the vessel Vagabond Digital Selective Calling DSCDigital Selective Calling DSC Maritime Mobile Service Identity Mmsi Mmsi Numbers are available in the U.S.A. from these SourcesMaritel 888-Maritel Canada, ContactRadiotelephone Calls Radiotelephone CallsThree 3 spoken international emergency signals are Emergency Messages and Distress ProcedureMarine Emergency Signals Marine Distress Procedure Tell where you areIf You Hear a Distress Call SayMarine Distress Procedure DSC VHF Marine Channel Assignments Public Correspondence Marine Operator Port OperationsNavigational Maritime Control156.050 01A 156.050156.100 156.15003A Government Only Unauthorized State Controlled U.S.A. Only18A 19A20A 21A21A U.S. Government Only Canada Coast Guard Only 23A Government Only156.175 63A 156.175156.225 64A 156.22564A U.S. Government Only Canada Commercial Fishing Non-Commercial RecreationalDigital Selective Calling Voice communications not allowed Non-Commercial Intership Only156.925 78A 156.925156.975 79A 156.97581A U.S. Government Only Environmental Protection Operations Noaa Weather Channels and Alert Noaa Weather Channels and AlertNoaa Emergency Weather Alert TestE172.50 to W172.50 World City Time ZonesWorld City Time Zones Included in this Package Included in this PackageSurface Mount Mounting and Powering the RadioInstalling Your Radio Mounting Powering the Radio To Install The Microphone Bracket Mounting KitMicrophone Bracket Mounting Kit Flush MountElectrical Power Connection To Connect to a Power SourceLength Wire Gauge Safe Maximum Permissible Exposure MPE Radius Installation RequirementsAntenna Requirements and Attachment Antenna Lead Attachment To Install an External Speaker External Devices and ConnectionsNmea Communication Cable External Speaker Not IncludedTo Install a Public Address Speaker To Install a GPS DeviceExternal Devices Connections Public Address Speaker Not IncludedSatellite acquisition time is dependent on the GPS device CobraMarine Chartplotter MC 600C SeriesTo Install the Chartplotter Getting Started Tones and AlarmsGetting Started Power On-Off Volume/Squelch Squelch Channel Select Using Radio KnobChannel Select Using Microphone Local Mode Button Channel Preset Function ButtonsStandby and Receive From Standby Mode, You CanSetup Mode Programming Setup Mode Programming Setup MenuBasic Scrolling in the Setup Menus To Enter the Setup MenuLCD Display Lamp Adjust To Adjust the LCD Display Lamp LevelEnter the Setup menu and scroll to the Lamp ADJ menu LCD ContrastKey Tone To Turn the Confirmation Key Tone On or OffTime Offset To Change the Time OffsetA./International/Canada UIC Channel Maps To Set the Radio for the Area UsedSpecial Features Special Features Rewind-Say-Again FeatureExample Operation of Rewind-Say-AgainMake Your Own Recording VoiceProductTransmissionFeatures Voice TransmissionChannels Choose One of the Following Options to Change the ChannelTransmit Power Output To Toggle Between the High and Low Power ModesVoice Transmission Transmit a MessagePublic Address To Broadcast on the PA SpeakerWeather Alert Setup Noaa All Hazards/Weather Radio and Alert, w/SAMENoaa All Hazards/Weather Radio and Alert, w/SAME To Listen to the Weather ChannelsSpecific Area Message Encoding Same To Set the Same Weather AlertSame Event Code Alert AdvancedProduct FeaturesOperation To Switch to Channel 16 or ChannelAdvanced Operation Channel 16/9Set Tri-Watch Channels During Tri-Watch When Receiving an Incoming TransmissionTri-Watch Advanced Operation Memory ChannelsTo Program Memory Channels To Clear Memory ChannelsFrom Standby mode, press the Memory Scan button Scanning of Memory ChannelsTo Enter Memory Scan Operation from the Microphone Digital Select Calling DSC ProductSetup Features Digital Select Calling DSC SetupUser Mmsi Number To Enter an Mmsi NumberTransferring a Radio to a Different Vessel To View the Programmed Mmsi Number at Any TimeDSC Scanning Group Mmsi NumberTo Turn DSC Scanning On or Off At the beginningEnter the Setup menu and scroll to GRP Mmsi menu Position Request Reply TypeTo Enter a Group Mmsi Number Will be entered automaticallyIndividual Directory Digital Select Calling DSC ProductOperationFeatures Digital Select Calling DSC OperationSending Distress Calls To Send a DSC Distress Call8187-F80-Operation-8MMBF75-Operation-8 12/29/06 904 AM Abort the Distress Call ProcessWhen a Distress Call is Received Receiving Distress CallsRegarding Distress Relay Calls Receiving Distress Relay CallsSending an All Ships Call To Send an All Ships CallWhen an All Ships Call is Heard Receiving an All Ships CallWhen a Geographical Call Sounds Press any button to turn Off the alarmSending a Geographical Call Receiving a Geographical CallSending an Individual Call To Send an Individual CallReceiving an Individual Call Sending a Group CallTo Receive an Individual Call Press the Talk button and greet the callerReceiving a Group Call Sending a Position RequestTo Receive a Group Call To Request the Position of Another StationReceiving a PositionIf You Receive a Position When the Radio is in the Manual Reply Mode Receiving a Position RequestIf You Choose to Reply with Your Position If You Choose Not to ReplyTo Exit From the Position Send Mode Sending a Position SendReceiving a Position Send To Send a Position Send MessageTo Clear Messages From The Log Memory To Review Log Messages Received While in DSC Standby ModeCall Log and Distress Log Maintenance TroubleshootingNo display on LCD when Improper power Readjust volumeSpecifications SpecificationsWarrantyProduct Featuresand Trademark Exclusions This limited warranty does not applyFor Products Purchased in the U.S.A For Products Purchased Outside the U.S.AProduct ServiceFeatures Send the entire productFlush Mount Template / Plantilla para montaje empotrado Precaución