Bosch Security Systems | 2006-06 | 9922 141 10377 en
Plena Voice Alarm System | Installation and User Instructions | Configuration en | 82
21 Call station
21.1 Introduction
The call stations are configured using the DIP switch at
the bottom (see figure 21.1).
21.2 Call station ID
The ID of the call station is set using switches 1 to 4.
Each call station must have a unique ID (1 to 9).
21.3 Sensitivity
The sensitivity of the call station is set using switches 5
and 6 (see table 21.2).
21.4 Speech filter
If switch 7 is in the ON position, a speech filter is
activated for the call station. The speech filter improves
the speech intelligibility by cutting off the lower
frequencies.
21.5 Termination
The last call station in a sequence of looped-through call
stations must always be terminated. Only for these call
stations, put switch 8 in the ON position.
figure 21.1: Call station DIP switches
table 21.1: Call station DIP switches
DIP switch Description
1, 2, 3, 4 Set the ID of the call station. See
section 21.2
5, 6 Set the sensitivity of the call station.
See section 21.3.
7 Switches the speech filter on (ON)
and off (OFF). See section 21.4.
8 Switches termination on (ON) and
off (OFF). See section 21.5.
ON
12345678
table 21.2: Call station sensitivity
Sensitivity Switch 5 Switch 6
-15 dB OFF OFF
0 dB OFF ON
6 dB ON OFF
Reserved ON ON
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