Bosch Plena - Background Music (BGM) Control

Bosch Security Systems | 2006-06 | 9922 141 10377 en
Plena Voice Alarm System | Installation and User Instructions | Operation en | 88
25.3.2 Adjust frequencies
The voice alarm controller has two rotary knobs to
adjust the sound of the BGM (see figure 25.4).
• Use the upper rotary knob to adjust the treble or
high frequency content of the BGM.
• Use the lower rotary knob to adjust the bass or low
frequency content of the BGM.
figure 25.4: BGM tone controls
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CD/Tuner
Aux
Select
Zone select