User manual

4 | M Zero Plus Instruction Guide
13,8V DC
EXT
ANT
12
10 11
10. Antenna coaxial connector SO239: connect here an antenna operating on
27 MHz;
11. Power supply cable: insert the power cable with lighter plug into the vehicle’s
cigarette lighter cord.
12. External speaker jack. If you connect an external speaker, the internal one is
automatically excluded.