Bosch LBB 1925 Operations Instructions download pdf (Page 18)

Bosch Security Systems | 2003-09 | 3922 988 99483en

Plena System Pre-amplifier | Installation and Operating Manual | en | 18

5 Operation (system pre-amplifier)

Figure 5.1

You can adjust the volume and tone for the mic/line input with the knobs on the left panel. The knobs for

background music selection, volume and tone are on the centre panel. To select the zones to which the background

music must be send press the keys on the right hand panel. When a zone is active the indication LED is on.

Operation

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Bosch LBB 1925 Operations Instructions Page 18