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Operation; Switch On And Off; Switch Off; Microphone/Line Controls - Bosch PLE-1MEXX0-XX Installation And Operation Manual

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Plena Mixer Amplifier
8

Operation

8.1

Switch on and off

8.1.1
Switch on
CAUTION!
Before applying power, always check the voltage indicator plate at the rear of the unit.
1.
8.1.2

Switch off

1.
Figure 8.1 Front panel
8.2

Microphone/line controls

Use the volume controls (9) to individually control the sound level of microphone/line inputs 1
through 4.
8.3

Music controls

8.3.1

Volume control

Use the music source volume control (8) to control the sound level of the selected music
source.
8.3.2

Tone control

The tone controls are not standard bass and treble controls: they can be used as a traditional
tone control with high and low control.
The tone control for the low frequencies boosts deep bass first without making the sound
boomy, and cuts rumble without loosing warmth in the low frequencies.
Use the Hi (high) and Lo (low) tone controls (see Figure 8.1, numbers 3 and 7) to change the
tone.
8.4

Output controls

8.4.1

Master volume control

Use the master volume control dial (4) to collectively control the sound level of all outputs,
except the emergency announcement/signal.
Bosch Security Systems B.V.
Set the power button (1) on the front of the unit to On - pushed in (see Figure 8.1).
Set the power button (1) on the front of the unit to Off - popped out (see Figure 8.1).
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PLE-1MExx0-xx | V1.0 | 2011.04
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