Bosch Plena - 5 LBB1990;00 Voice Alarm Controller; Controls, Connectors and Indicators

Bosch Security Systems | 2006-06 | 9922 141 10377 en
Plena Voice Alarm System | Installation and User Instructions | Equipment en | 26
5 LBB1990/00 Voice Alarm
Controller
5.1 Controls, connectors and
indicators
See figure 5.1 for an overview of the controls,
connections and indicators on the voice alarm
controller:
1 Power LED/VU Meter - A combined power
indicator and VU meter. The green power LED is lit
if the voice alarm controller is connected to the
mains or back-up power and switched on. The VU
meter indicates the master VU level: 0 dB (red),
- 6dB, -20dB (yellow).
2 Fault indicators - Twelve yellow system fault
LEDs (Processor reset, Network, Call/EMG,
Music/Spare, Ground short, Input, Mains, Battery,
Message, EMG mic, RCP and Router) and twelve
yellow loudspeaker line fault LEDs. Fault indication
is only possible if supervision is enabled
(see section 28.4). If supervision is disabled, the
yellow Disabled LED is lit.
3 Fault state buttons - Two buttons to acknowledge
(Ack) and reset (Reset) the fault state (see 28).
4 Emergency state buttons - Two buttons to
acknowledge (Ack) and reset (Reset) the emergency
state (see 27).
5 Emergency call zone selectors - Six buttons to
select the zones to which the emergency call must be
distributed (see 27). Each button has a green and a
red LED. The six red LEDs indicate the zones that
are selected for the emergency call. The six green
LEDs indicate the zones in which a business call is
running.
6 BGM zone selectors - Six buttons to select the
zones to which the BGM is distributed (see 25). Each
button has a green LED and a rotary knob. The six
green LEDs indicate the zones to which BGM is
distributed. The six rotary knobs are local volume
controls that can be used to adjust the volume of the
BGM in each zone.
7 BGM master volume control - A rotary knob to
set the master volume of the BGM (see 25).
8 BGM source selector - A button to select the
BGM source (CD/Tuner or Aux). The selected source
is indicated with a green LED (see 25).
9 BGM tone controls - Two rotary knobs to control
the high and low frequencies of the BGM (see 25).
10 All call button - A button to select all zones. This
button is only available in the emergency state (see 27).
11 Indicator test button - A button to test all LEDs
on the front panel of the voice alarm controller, and
connected voice alarm routers, remote control
panels, remote control extensions and fireman’s
panels. All LEDs are lit as long as the button is
pushed (see 28).
12 Emergency button - A push button to put the
system in the emergency state (see 27).
13 Alert message button - A button to select the
alert message. This button is only available in the
emergency state (see 27).
14 Alarm message button - A button to select the
default alarm message. This button is only available
in the emergency state (see 27).
15 Microphone socket - A socket to connect the
hand-held emergency microphone (see section
5.3.1).
16 Bracket - A bracket for the hand-held emergency
microphone that is supplied with the voice alarm
controller.
17 Monitoring speaker - Built-in monitoring
speaker.