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11
System 2500E Base Station Circuit Boards
Figure 12.
A
-
Transmitter antenna
B
-
Receiver antenna
C
-
Transceiver frequency settings switch -
S1
D
-
Vehicle detector override switch -
S7
E
-
Channel “A” light -
DS4
F
-
Channel “B” light -
DS5
G
-
Vehicle present light -
DS6
H
-
Configuration switch -
S4
I
-
Configuration switch -
S8
J
-
Configuration switch -
S6
K
-
Inbound audio level adjustment -
R43
L
-
Power light -
DS3
M
-
Outside speaker volume adjustment -
R128
N
-
Ceiling speaker volume adjustment -
R142
O
-
DM1 microphone switch -
S1
P
-
Wired/Wireless audio system switch -
S2