
Bosch Security Systems | 2003-09 | 3922 988 99483en
Plena System Pre-amplifier | Installation and Operating Manual | en | 10
2.3 Setting the Speech filter and call station volume
Figure 2.2 Figure 2.3
The Speech filter for the mic/line input can be switched on/off with jumper JP101 (default ON).
You can set the call station volume with VR101.
2.4 Setting priority
The priority cannot be set manually. The default priority order is:
1 Emergency/Telephone input
2 Trigger 1 or 2 (first comes, first served)
3 All-call call station LBB 1941
4 6-zone call station LBB 1946 (DIP switch setting of LBB 1946)
5 6-zone call station LBB 1946 (DIP switch setting of LBB 1946)
6 Background music and mic/line input
25-1
MUSIC OUT MASTER OUT
VR101
CALL STATION
LEVEL
CN24
U106
PC AUDIO
IN
CALL STATIONS
SWITCH XLR
OFF ON
JP101
CN4
CN9
CN107
CN17
CN6
CN14
CN1
CN8
1CHUSE 2CHUSE
CN18 CN13
C179
LINE
DIN
JP102
J2
USE USECH CH21
CN21
RL701 R701
D701
25-7
Q701
CN10
CN23
3938 101 90282
Internal settings
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