Number Item Description
48 Telephone/Emergency level
adjustment
Adjusts the output level for the Telephone/Emergency signal applied to
inputs (46) and/or (47). This adjustment does not change the sensitivity
of the input gate (VOX).
55 Ducking level Attenuates the music level from the internal music source or Music
inputs 1-3 when the priority mute function is activated.
– The ducking attenuation is adjustable in the range 0 to -60 dB.
Priority switches
Two switches (26) to set the Priority of inputs 1 to 6. The Telephone/Emergency input has
highest priority and always overrides all other inputs:
Switch setting Priority Remark
00 Serial: 1 > 2 > 3 > 4 > 5 > 6 – Input 1 has highest
priority.
– Input 6 has lowest
priority.
01 Block – The first activated input
gets priority.
– Other inputs are muted
(blocked).
10 Override – The last activated input
gets priority.
– The other inputs are
overridden.
11 Mix – No priority.
– All inputs are mixed.
Table 7.1: Priority switches settings
Chime switches
Two switches (27) to select the chime on input 1 for a PLE-1CS or PLE-1SCS. The PLN-6CS
call stations have their own chime selector:
Switch setting Chime Frequency
00 No chime
01 1-tone chime 554 Hz
10 2-tone chime 554/440 Hz
11 4-tone chime 294/392/495/588 Hz
Table 7.2: Chime switches settings
7.1.1
7.1.2
Plena All-in-One System Configuration | en 23
Bosch Security Systems B.V. Installation and Operating Manual 2014.09 | V1.2 |
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