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Microphone/Line Controls; Music Controls; Source Selection; Volume Control - Bosch Plena PLE-1MA030-US Installation And User Instructions Manual

Plena mixer amplifier
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Plena Mixer Amplifier | Installation and User Instructions | Operation

Microphone/line controls

Users can create custom labels for the
microphone/line inputs and description of the
music sources. These labels can be attached to
the mixer amplifier at position numbers 2 and 3
(see figure 5. 1 ). Colored pins can also be
inserted at various positions around the dial
controls to indicate the favorite settings for a
particular application.
Use the volume controls (7) to individually control the
sound level of microphone/line inputs 1 through 4.

Music controls


Source selection

Use the music source selector (8) to select one of the
connected music sources.

Volume control

Use the music source volume control (9) to control the
sound level of the selected music source.

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, but also have a
powerful contour that addresses problems found in real
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 5.1, numbers 4 and 10) to change the tone.
Bosch Security Systems | 2007-12 | PLE-1MA030-US, PLE-1MA060-US, PLE-1MA120-US en

Output controls


Master volume control

Use the master volume control dial (5) to collectively
control the sound level of all outputs, except the
emergency announcement/signal.
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Plena ple-1ma120-usPlena ple-1ma060-us

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