1 - General Information
1.1 Features
Congratulations on your purchase and installation of a Navman MCB 7270 27MHz radio. It provides you with the following useful features:
•Marine band (MB) communications with a land band (CB) capability, with six favourite channels (three for each band).
•Large LCD screen with prominent (17mm high) channel display.
•Special size, highlighted symbols for Tx (transmission), Rx (reception), and X (Channel Lockout).
•Powerful transmission output (4W maximum legal).
•Adjustable brightness settings for the screen and keypad for easy use in all lighting conditions - including night time and bright sunlight.
•Adjustable backlighting for the microphone.
•Long cable for the microphone (2.3m when comfortably stretched).
•Extension cable with jack, for connection to an external speaker.
•Top centred PTT button for comfortable left- or
•Quick access keys on the microphone for easy selection of channels
•Channel 88/9 Priority/Distress key on the radio unit and microphone.
•Special 3CH key for easy selection of your three favourite channels.
•Most recently used channel is remembered and displayed at power up.
•PSCAN facility to scan the working channel and the priority channel, or the favourite channel(s) and the priority channel (similar to a dual watch facility).
•ALL SCAN mode with busy channel lockout facility.
•Noise rejection can be activated from chassis or microphone.
•Powerful external speaker (up to 4W).
•Voltage indicator (and low battery warning) for the battery supplying the radio.
•Waterproof and submersible to comply with
•Meets AS4355 and AS4367 technical specifications.
5 | NAVMAN MCB 7270 Marine CB 27 MHz Radio Operation Manual |