VDO CD 3100 User Instructions page 2

CONNECTOR A (fig. 2)
POWER SUPPLY CONNECTIONS
• Brown wire A8: Connect to an earthing point on the car body.
• Red wire A7: Connect to a permanent 12 V supply. This is the main power supply.
Ensure this connection can handle a current of 10 A.
• Yellow/red wire A4: Connect to the switched 12 V supply of the car ignition.
This connection set up will enable you to make full use of the ON/OFF LOGIC function of this
set limiting the use of the set to 1 hour after removal of the ignition key. If this feature does
not appear to be functioning as expected you may require an adapter cable. See reverse of
installation card.
OPTIONAL CONNECTIONS FOR CONNECTOR A
ELECTRONIC / MOTOR AERIAL
• Connect the supply for an electronic aerial or the control wire for the relay of an automatic
motor aerial to pin A5. Use the small contact supplied.
Do not use this connection point for direct supply of the aerial motor!
PILOT LIGHT
When the car headlights are switched on, the backlight to the power key remains illuminated
(even when the radio is switched off). With this connection when the set is on, the brightness
of the display is reduced.
• Connect pin A6 to the dashboard illumination wiring of your car.
Use the small contact supplied.
CONNECTOR B for loudspeakers 4 x l (fig. 3)
- Only use loudspeakers that have an impedance of 4 ohms.
- Do not connect any of the loudspeaker wire to earth!
- Do not connect a booster/amplifier directly to the loudspeaker outputs!
- Do not connect loudspeakers via an external fader!
• Blue wire B1: Connect to Rear Right speaker (+).
• Blue/black wire B2: Connect to Rear Right speaker (–).
• Grey wire B3: Connect to Front Right speaker (+).
• Grey/black wire B4: Connect to Front Right speaker (–).
• Green wire B5: Connect to Front Left speaker (+).
• Green/black wire B6: Connect to Front Left speaker (–).
• White wire B7: Connect to Rear Left speaker (+).
• White/black wire B8: Connect to Rear Left speaker (–).
To check the loudspeaker connections keep the SOUND key pressed and switch on the set.
To cancel switch off the set.
GB
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