Precondition
As well as supporting SRD
two-way radios, the BMW
Motorrad communication sys-
tem has an interface for con-
necting a CB radio (
b
protective cap covering the
socket has to be removed
before the radio can be con-
nected. The socket's pinout is
as follows:
1 Not used
2 Funk.SP+
Audio input: audio signal
from CB radio (loud-
speaker output of the
6).
The
CB radio)
3 Not used
4 GND
Ground
5 PTT
Signal Send button
Active=LOW
6 FNK.Mic+
Audio output; signal to the
CB radio (microphone
input of the CB radio)
Max. 250mV
Ω
300
Setting up the CB radio
Method of operation and pro-
cedures for use as the same
as for an SRD two-way radio
(
17). Consult your author-
b
ised BMW motorcycle dealer
for advice on installing and
customising your CB radio.
set to
eff
6
19