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SW-1183 Board
S203
SW-1183 BOARD (A SIDE)
Ref. No.
Name
S203
DC line switch
S204
MIC switch
S206
Headset microphone setting
switch 2
S207
Headset microphone setting
switch 1
WLL-RX55
S207
S206
S204
Description
DC line ON/OFF switch
Headset microphone ON/OFF switch
When the headset microphone connected to the OPEN
INTERCOM connector is DYNAMIC or ECM, this
switch sets the input level according to the type
(balanced/unbalanced) of the headset
microphone.
OPEN: Balanced type
GND:
Unbalanced type
Sets the microphone input level according to the CARBON
type of headset microphone connected to the
INTERCOM connector.
CARBON:
Carbon microphone (_20 dB)
ECM:
Electric condenser microphone
(_40 dB)
DYNAMIC: Dynamic microphone (_60 dB)
Factory setting
OFF
OFF
1-15 (E)
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