Operation; Switching On; Switching Off; Calibrating The Controller - Bosch Plena Installation And User Instruction Manual

Plena Voice Alarm System | Installation and User Instructions | Operation
6

Operation

6. 1

Switching ON

To switch on the power, put the Power switch on the
rear of the voice alarm controller (see figure 6.1) in the I
position.
115V~
Apparatus delivered
Connected for 230V~
figure 6. 1 : Power switch
If mains power or back-up power is available, the power
indicator on the front of the voice alarm controller is
turned ON (see figure 6.2).
Fault Indicators
0 dB
Processor reset
Network
-6dB
Call/EMG
-20dB
Music/Spare
Ground short
Input
figure 6.2: Power indicator
Note that, on each connected call station, the power
indicator is turned ON (see figure 2.4, no. 7).
Note
If the system is switched ON for the first time
and supervision is enabled, make sure to first
calibrate the system (see section 6.3).
6.2

Switching OFF

To switch the system OFF, put the Power switch of the
voice alarm controller (see figure 6.1) in the O position.
6.3

Calibrating the controller

If the system is switched on for the first time and
supervision is enabled, the voice alarm controller must
be calibrated. During a calibration, all loudspeaker line
impedances are measured and stored as reference
values in the controller. These values are used for line
Bosch Security Systems | 2004-06 | 9922 141 10371en
230V~
Power
Disabled
A B
Mains Zone1
Battery
Zone2
Message
Zone3
EMG mic Zone4
RCP Zone5
Router Zone6
supervision calculations (see section 5.3.3.5). To
calibrate the controller, push the calibration button,
located on the back of the controller (see figure 2.3, no.
24).
Note
During each calibration, the old stored
reference values in the controller are
overwritten with the new measured values.
6.4

Background music

The background music (BGM) is controlled using the
BGM zone controls on the front of the controller (see
figure 2.3, no. 6). Follow the next steps to distribute
BGM to the zones:
1 Select a BGM source (see section 6.4.1).
2 Select one or more zones (see section 6.4.2).
6.4.1

Selecting a BGM source

Select the BGM source with the BGM source selector
(toggle) button (see figure 6.3). A green LED indicates
which BGM source is selected.
• Select CD/Tuner if a CD or tuner is used for the
background music (see also section 3.7).
• Select AUX if an auxiliary audio source is used for
the background music (see also section 3.7).
Select
CD/Tuner Aux
+
-
0
- +
figure 6.3: BGM source selector
Note
The default BGM source is CD/Tuner.
6.4.2

Selecting BGM zones

The BGM can be distributed to one or more zones. Use
the Zone select (toggle) buttons (see figure 6.4) to select
the zones. A green Zone select LED indicates if the
corresponding zone is selected.
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Zone select