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General| Brand | Navman |
|---|---|
| Model | MCB 7270 |
| Category | Marine Radio |
| Language | English |
Lists the key features of the Navman MCB 7270 27MHz radio, including marine/land band capability, LCD display, and transmission output.
Explains the various symbols displayed on the Navman MCB 7270 screen, such as Rx, Tx, PRI, LOC, REJ, and signal strength indicators.
Details how to use the Volume and Power knob (VOL/PWR) to turn the radio on/off and adjust volume.
Explains how to adjust the squelch level to set the minimum receiver signal and manage noise.
Describes the priority channel function for distress and calling, including channel selection for Australia.
Explains how to toggle between marine (MB) and land (CB) channel bands.
Details how to store, select, and delete up to three favourite channels for both marine and land bands.
Explains how to adjust the screen and keypad backlighting settings.
Covers PSCAN and ALL SCAN modes, explaining how to scan working channels, favourite channels, and all channels.
Describes how to step through and rapidly scroll through available channels using the + CH - buttons.
Explains how to activate the noise blanker circuit (REJ) to reduce noise.
Details the Local mode function which reduces receiver sensitivity and noise.
Explains how to display the battery voltage and how the radio indicates a low battery warning.
Describes how to lock out busy channels in ALL SCAN mode and how to unlock them.
Explains the Push-To-Talk button function for transmitting and how the radio handles PTT activation.
Illustrates the initial startup screen and the screen displaying software version and last used channel settings.
Shows examples of screens displaying channel band selection (CB and MB) and receiving status with noise rejection.
Depicts the screen during a transmission (Tx) on the marine band, showing channel and priority status.
Illustrates screens showing the REJ symbol when noise rejection is active and when it is off.
Shows how the battery voltage is displayed, including whole volts and partial volts, and low battery warnings.
Displays examples of priority channel screens for marine (Ch 88) and land (Ch 09) bands in Australia.
Illustrates the radio in ALL SCAN mode, showing active scanning and receiving on a selected channel.
Shows how locked out channels are indicated with an 'X' symbol and how to unlock them.
Demonstrates storing favourite channels (CH 1, CH 2, CH 3) for both marine and land bands.
Shows the radio in PSCAN mode, scanning a working channel and checking the priority channel.
Illustrates PSCAN mode scanning a favourite channel and checking the priority channel.
Lists marine band (MB) channels, their frequencies, traffic types, and ship-to-ship/shore capabilities in Australia.
Details land band (CB) channels and their corresponding frequencies in Australia, including notes on specific channels.
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