Cobra Electronics MRHH325VP owner manual Getting Started, Common Radio Functions

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Operating Your Radio

Getting Started

Getting Started

•

 

MR HH325 Radio

Refer to the foldout at the front of this manual to identify the

 

various controls and indicators on your radio. Throughout

 

this manual you will be instructed to “Press” or to “Press

 

and Hold” various buttons (except “Push to Talk”) on the

 

radio. “Press” means a momentary press of approximately

 

one (1) second. “Press and Hold” means to hold the button

 

down for approximately three (3) seconds.

 

Whenever you press any button except the Talk button on

 

your radio, a brief tone (beep) will sound to confirm the

 

button press. With all button presses, the appropriate icon

 

will appear on the LCD and the backlight will turn On. The

 

backlight will stay on for 10 seconds after the button is

 

released.

 

At times, you will hear two (2) other sounds. Two (2) beeps

 

will sound to confirm your setting changes and three (3)

 

beeps will sound to notify you of an error.

Operating Your Radio

Squelch Control

Getting Started

Squelch Control

Squelch is controlled by turning the lower rotary concentric knob located directly below the On/Off/Volume switch.

With the power On, turn the knob counterclockwise until you hear a hissing sound, then turn the knob clockwise until the hissing stops. This will establish a “Baseline” squelch. By turning the knob further in a clockwise direction, you will filter weak and medium- strength signals. By turning the knob in a counterclockwise direction (further from your baseline setting), you will receive weaker signals. Squelch Control filters weak signals and radio frequency (RF) noise so that you will clearly hear the signals you want.

NOTE

If the Squelch is set so that you can hear a continuous hissing sound, the Memory Scan and

On/Off/Volume Control (Clockwise)

On/Off/Volume Control (Counterclockwise)

Common Radio Functions

The following procedures define common operating functions of the radio when in either Marine Standby or Weather (WX) Standby modes.

Power/Volume/Squelch Controls

Power On/Off Control

The On/Off/Volume control is located at the upper right side of the radio. Turning the On/Off/Volume control past the detent position will turn the radio On or Off.

Volume Control

Volume is controlled by turning the On/Off/Volume control.

■To increase the volume, turn the On/Off/Volume control clockwise.

■To decrease the volume, turn the On/Off/Volume control counterclockwise.

Speaker/Mic Port

Talk Button

Tri-Watchfunctions will be blocked.

Radio Speaker and Microphone

The internal Radio Speaker and Microphone are located on the bottom front face of the radio below the lower control buttons.

An optional Speaker/Microphone port is located at the top of the radio between the antenna and the Power/Volume/ Squelch control. Unthread the Speaker/Microphone port cover to access and install an optional speaker or microphone into this port.

Talk Button

Press and hold the Talk button to transmit messages. Release the Talk button to stop transmitting.

36 English

Nothing Comes Close to a Cobra® 37

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Contents Customer Assistance For Assistance in the U.S.A Our Thanks to You Customer AssistanceFor Assistance Outside the U.S.A Product Features Radio Controls IndicatorsBacklit LCD Screen Product Features Backlit LCD Liquid Crystal Display ScreenSpeaker/Mic Jack Signal Strength MeterEmergency Weather Alert Unlimited Memory Channels Roger Beep Tone SelectableTable of Contents Safety Training Information Important Safety InformationImportant Safety Information Recommendations for Marine Communication Recommendations for Marine CommunicationFCC Licensing Information VHF Marine Radio Procedures Voice Calling Voice CallingVoice Calling Vessel Corsair is calling the vessel VagabondRadiotelephone Calls Emergency Messages Distress ProcedureEmergency Messages and Distress Procedure Radiotelephone CallsMarine Distress Procedure Marine Emergency SignalsIf You Hear a Distress Call Emergency Messages and Distress Procedure VHF Marine Channel Assignments VHF Marine Channel Assignments International Distress, Safety and Calling03A Government Only 21A U.S. Government Only Canada Coast Guard Only 20A Port Operations Port Operations, Ship Movement23A Government Only 64A U.S. Government Only Canada Commercial Fishing Digital Selective Calling Voice communications not allowed81A U.S. Government Only Environmental Protection Operations Noaa Test Alert System Noaa Weather Channels AlertNoaa Emergency Weather Alert Weather Frequency/ChannelAntenna, Wrist Strap Included in this PackageBelt Clip Initial Charge Batteries and ChargerBatteries and Charger Maintaining the Battery Charge Alkaline BatteriesCommon Radio Functions Power/Volume/Squelch Controls Power On/Off ControlGetting Started Getting StartedBacklight/Key Lock Button Scan ButtonHigh/Medium/Low H-M-L Power Button Setup Mode ProgrammingSetup Mode Programming To Toggle Between H-M-L Power ModesTo Set Channel Map Operating Area VibrAlert ModeUSA/International/Canada Channel Maps To set VibrAlertKey Tone Mode Call Tone ModeRoger Beep Mode Standby/Receive TransmitTo Set WX Alert On or Off Marine Standby and Receive Rx ModeStandby/Receive and Transmit To Set WX Auto Search Scan On or OffWX Alert Standby Mode Transmit Tx ModeWeather WX Standby Mode To Transmit a MessageAdvanced Operation Channel 16/9 ModeAdvanced Operation Using Tri-Watch Tri-Watch Scan Mode Tri-Watch ModeTri-Watch Setup To Program or Edit the Tri-Watch Channels Advanced OperationTo Program Memory Locations Memory Location ModeTo Exit Memory Location Mode To Recall a Stored Memory LocationMemory Location Scan Mode Product FeaturesChannel Scan Mode To Enter Channel ScanMaintenance Maintenance TroubleshootingTroubleshooting For Products Purchased In The U.S.A Warranty and Trademark Specifications AcknowledgementSpecifications Limited 3-Year Warranty For Products Purchased Outside The U.S.AAccessories Product ServiceAccessories
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