Operation; Switch On; Switch Off; Calibration - Bosch Plena LBB1990/00 System Manual

Plena Voice Alarm System | Basic System Manual | Operation
5

Operation

Note
It is assumed that the APR mode switch (see
section 4.4) is in the OFF position.
5. 1

Switch on

Put the Power switch on the rear of the voice alarm
controller (see figure 5.1) in the I position.
115V~
Apparatus delivered
Connected for 230V~
figure 5. 1 : Power switch
If mains power or back-up power is available, the power
indicator on the front of the voice alarm controller is lit
(see figure 5.2). If the basic system contains a call
station, the power indicator of the call station is also lit
(see figure 2.5, no. 1).
Fault Indicators
0 dB
Processor reset
Network
-6dB
Call/EMG
-20dB
Music/Spare
Ground short
Input
figure 5.2: Power indicator
Note
When the system is switched on for the first
time and supervision is enabled, calibrate the
system (see section 5.3).
Bosch Security Systems | 2005-04 | 9922 141 10364en
230V~
Power
Disabled
A B
Mains Zone1
Battery
Zone2
Message
Zone3
EMG mic Zone4
RCP Zone5
Router Zone6
5.2

Switch off

Put the Power switch of the voice alarm controller (see
figure 5.1) in the O position.
5.3

Calibration

Calibration is necessary for a correct loudspeaker line
impedance supervision (see section 4.5.5.3). To calibrate
the voice alarm controller, push the calibration switch
(see figure 2.3, no. 24). The system must be calibrated:
• When the voice alarm controller is switched on for
the first time.
• After the connected loudspeakers are changed.
• After loudspeakers have been added.
• After the settings of the connected loudspeakers have
been changed.
5.4

Background music

5.4.1

Introduction

The background music (BGM) is controlled using the
BGM controls on the front of the voice alarm controller
(see figure 2.3). Proceed as follows to route BGM:
1 Select the BGM source (see section 5.4.2).
2 Select the zones (see section 5.4.3).
5.4.2

Select BGM source

Select the BGM source with the Select button (see
figure 5.3). A green LED indicates the source that is
selected.
• If the source is a CD player or a tuner that is
connected to the CD/Tuner input (see section 3.7),
choose CD/Tuner.
• If the source is an auxiliary source that is connected
to the Aux input (see section 3.7), choose Aux.
Select
CD/Tuner Aux
- +
0
- +
figure 5.3: BGM source selector
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Zone select