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Precautions to prevent static damage to CMOS devices during handling and servicing.
Safety considerations for mounting the radio in a vehicle and general installation precautions.
Details on obtaining radio licenses and FCC regulations for operating the M400.
Details on the radio's electrical components and functional descriptions of key circuits.
Details on how audio signals are processed and how squelch functionality operates.
Instructions for disassembling the radio, removing it from its mount, and replacing it.
Key factors to consider before installing the radio, including location and wiring.
Guidance on routing cables for power, control, and accessories within the vehicle.
Installation procedures for optional footswitch and panel-mounted emergency alert switches.
Instructions for connecting the radio's primary power leads to the vehicle's electrical system.
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General