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2.4.1. POWER SUPPLY
Pin A24 connect to +12V/+24V (BAT), and pin A23 to +12V/+24V ignition switch (voltage occurs when the ignition key is turned on). Pin A12
connect to the vehicle ground (GND). The power line is already protected with 0,63A fuse built-in UTCOMP, so additional fuse is not necessary.
2.4.2. KEYBOARD
Kit includes three-button keyboard. You should solder 4 wires to keyboard from UTCOMP: A1, A15, A3, A14.
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