Main Unit
| Main Unit |
The main unit is connected to the wiring harness and the bus via 3 connectors (A, B, C) and an 8-pin DIN connector (for the external amplifier).
The purpose of the main unit is to control the system units and functions as a central unit in the audio system, as follows:
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To activate the audio system units by sending “wake-up” information.
“Wake-up” can be information sent via the bus or a logic voltage (trigger voltage) via the wiring harness. When the ”wake-up” signal is received, the unit is switched on and becomes active. Wake-up with trigger voltage (12 V) - External amplifier (AS3) - Antenna, electric Wake-up with bus information SID - CD changer - Control module, DICE |
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Receives audio and aerial signals from the units in the system. The audio signals are passed on to the loudspeakers and the external amplifier (AS 3) via the main unit outputs.
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