Controls, Connectors And Indicators; Front Panel - Bosch PLENA Series Operation Manual

Mixer amplifier, 4-zone, 240w
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PLENA Mixer amplifier, 4-zone, 240W
3.4

Controls, connectors and indicators

3.4.1

Front panel

Number
Bosch Security Systems B.V.
Description
1
Power button, with power-on LED.
2
Label holder for user-defined description of microphone/line 1 and microphone
2 and 3 inputs. Custom labels can be created by user.
3
Label holder for user-defined description of music sources (Aux 1, 2 and 3).
Custom labels can be created by user.
4
High tone (treble) control knob for mixed output.
5
Label holder for user-defined description of zone names. Custom labels can be
created by user.
6
Master volume control knob. It controls all inputs except emergency.
7
LED VU meter for master output, with LEDs for -18, -12 -6, -3, 0 dB.
8
Input level control knobs for:
• microphone/line 1
• microphone 2
• microphone 3.
9
Music source selector (for Aux inputs 1, 2, and 3). Selected Aux input LED
switches on (green), unselected Aux input LEDs remain off.
10
Aux-3: Music input with 3.5 mm mini-TRS connector for a music source like a
mobile phone or laptop. Stereo signals are converted into mono.
11
Volume control knob for selected music source input.
12
Low tone (bass) control knob for mixed output.
13-16
Zone 1 to 4 selection buttons with LED indicator.
17
Headphone socket.
Operation manual
Introduction | en
9
2019-03 | V1.1 |

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