80 en | Operation Plena Voice Alarm System
9922 141 1037x (V2.16) | V0.6 | 2011.09 Installation and Operation manual Bosch Security Systems B.V.
To select all zones, push the All call buttons on the front of the voice alarm controller or the
remote controls (see Figure 7.12).
Figure 7.12 All call button
7.4.6 Make the announcement
Push the push-to-talk (PTT) button of the emergency microphone to make an announcement
(see Figure 7.13). The live speech is only distributed to the selected zones (see section
7.4.5 ). At the moment the PTT button of the emergency microphone is pushed:
– The red EMG mic indicator is lit (see Figure 7.14).
– If they are currently distributed, the default alert message and default alarm message are
stopped.
Figure 7.13 Emergency microphone
Figure 7.14 Emergency microphone indicator