Bosch Plena Voice Alarm System Service Manual download pdf (Page 33)

Bosch Security Systems | 2005-01 | 9922 141 10363en

Plena Voice Alarm System | Basic System Manual | Operation en | 33

5Operation

5.1 Switch on

Put the Power switch on the rear of the voice alarm

controller (see figure 5.1) in the I position.

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).

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.

Note

It is assumed that the APR mode switch (see

section 4.4) is in the OFF position.

figure 5.1: Power switch

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).

115 V ~

230V~

Apparatus delivered

Connected for 230V~

Power

Processor reset

Network

Call/EMG

Music/Spare

Ground short

Input

Mains

Battery

Zone1

Zone2

Zone3

Zone4

Zone5

Zone6

Fault Indicators

Disabled

Message

EMG mic

RCP

Router

0dB

-6dB

-20dB

figure 5.3: BGM source selector

CD/Tuner

Aux

Select

Zone select

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 49 50

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Bosch Plena Voice Alarm System Service Manual Page 33

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