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Change Tone; Condition Leds - Bosch PLN-1LA10 Installation And User Instructions Manual

Security systems plena loop amplifier
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Plena Loop Amplifier | Installation and User Instructions | Operation
6.4

Change tone

You can change the tone of the audio signal on the
connected induction loops with the tone controls. The
tone controls are on the front of the loop amplifier (refer
to figure 6.4).
The left tone control changes the bass or low
frequency content of the audio signal.
The right tone control changes the treble or high
frequency content of the audio signal.
_
+
figure 6.4: Tone controls
6.5

Condition LEDs

table 6. 1 : Status indicators
Indicator
Fault
Loop integrity
AGC
Limiter
Bosch Security Systems | 2005-05 | 9922 141 50672en
Master
_
+
0
Description
The loop amplifier does
not operate correctly.
The induction loops are
not intact.
The automatic gain
control is on.
The signal of one or more
of the inputs is clipped off
because it is too strong.
Recommended action
Contact your dealer when
the LED goes off.
Contact your dealer when
the LED goes off.
----
Check which input is too
loud and turn its volume
control counterclockwise
to decrease the volume.
en | 34
Additional information
Refer to section 5.5.
----
Refer to section 5.7.
Refer to section 5.7.

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