PRAESENSA Operating instructions | en 161
Bosch Security Systems B.V.
Underwriters Laboratories Listing Document (ULLD)
2021.12.21 | V0.15b | F.01U.402.882
1. Microphone + key:
– Live speech microphone: Active when the speak indicator (3) is steady on and by
pressing the microphone key.
– To activate the call: First make a zone / zone group (5) selection before pressing the
key.
2. Indicator:
– Trouble indicator: Yellow is trouble.
– Mains availability: Green is available/ok.
– Battery status: Green is ok.
3. Speak indicator:
– Flashing: Please wait to speak.
– Steady on: Speak now.
4. Sounder: Generates (alarm) sounds/tones.
5. Zone / Zone group buttons: Selection to start live announcement/paging.
6. Zone status indicators:
– Loudspeaker icon Red: Alarm message playing in zone.
– Loudspeaker icon Blue: Low priority call playing in zone.
– Warning triangle Yellow: Trouble exist in this zone.
7. Transfer of Control: Control indicator:
– White button ring lit: The First responder panel is in control.
– White button ring off: Control must be requested first, before First responder panel
can be operated.
– To Request Control: Press Request Control.
– To Deny Control: Press blinking Deny Control button.
– To Grant Control: Press blinking Grant Control button.
– At ACU: Control can be forced by pressing and holding the button related to the
Control Indicator for two seconds.
8. Unlock Annunciator (press and hold): Within five seconds of pressing the button, the
annunciator will be unlocked.
9. Trouble Acknowledge: Silences the Trouble buzzers of the PRAESENSA First responder
panels.
Trouble Reset: Reset a Trouble indication after a Trouble condition has been resolved.
10. Emergency Acknowledge: Silences the Emergency buzzer of the PRAESENSA First
responder panels. It does not silence the audio zones.
Emergency Reset: Sets the system to Normal operation. The alarms and troubles must be
resolved, and reset FACP first.
11. Start and stop of alarm messages:
– Loudspeaker icon Red on: Alarm message active.
– Loudspeaker icon Red blinking: Alarm message active, but possibly not reaching all
zones.
– White button ring lit: Alarm started from FRP.
12. Control locations button: Shows all control locations, and which location is currently in
control of the system.
13. Trouble log button: Access to detailed trouble log.