Loudspeakers; Additional Connections - Grundig WKC 3300 RDS User Manual

A5 +12 V switching voltage output
(max. 0.5 A)
on blade contact A 5 when the radio is
switched on.
For automatic aerial (extend/retract),
aerial amplifier (operating voltage) etc.
A4 +12 V ignition voltage
Connect to terminal 15 if you wish to switch
the car radio on and off with the ignition/start
switch.
The A4 blade contact may also remain free.
In this case, the car radio must always be
¡
switched on and off with the IO
In addition, the car radio is not automatically
switched off after 1 hour if the ignition is off.
The Security LED does not flash.
A2 Phone mute connection
for car telephone or CB radio.
The car radio is "muted" when the car tele-
phone or CB radio is in operation.
The display indicates "PHONE", see page 16,
EXPERT settings.
For this, the blade contact A2 must be
connected from the mute output of the tele-
phone/CB radio to earth!

Loudspeakers

Blade contacts B: Figure
Maximum output power
with 4 Ω loudspeakers: 4 x 20 W.
Front speakers
B3 right-hand +
B4 right-hand –
B5 left-hand +
B6 left-hand –
Do not electrically connect the speaker
contacts to each other and do not
button.
connect them to earth.

Additional connections

+
Blade contacts C: Figure
CD changer (AUX connection )
C13 CD bus control line. For AUX mode,
Rear speakers
C15 CD bus, earth.
B1 right-hand + C16 +12 V supply voltage for CD changer.
C17 Switching voltage for CD changer.
B2 right-hand –
C18 CD-AF/AUX-AF, earth.
B7 left-hand +
B8 left-hand – C19 CD-AF/AUX-AF, left.
C20 CD-AF/AUX-AF, right.
C7
C9
20
Installation and Removal
+
connect with C15.
for service only
for service only
The contacts C7 and C9 must remain
free.