66 en | Configuration Plena Voice Alarm System
9922 141 1037x (V2.16) | V0.6 | 2011.09 Installation and Operation manual Bosch Security Systems B.V.
– The emergency trigger inputs are never supervised.
– When an emergency trigger input is activated, the system enters the emergency state.
The voice alarm controller also automatically starts a pre-emergency announcement and
alarm message (software configurable).
– When a business trigger input is activated, the system enters the emergency state. The
voice alarm controller does not automatically start a pre-emergency announcement and
alarm message.
– The red LED, which during normal operation indicates that the zone is selected for an
emergency call (see Figure 3.2, no. 5), indicates that an emergency trigger input is active.
– The green LED, which during normal operation indicates that a business call is running in
the zone (see Figure 3.2, no. 5), indicates that an emergency call is running in the zone.
– The priority level of the emergency microphone of the voice alarm controller is always 16.
– When the emergency button (see Figure 3.2, no. 12) is pushed on the front of the voice
alarm controller, an alarm message is automatically started. This message is
automatically repeated.
6.1.3 Supervision
If the Supervision switch (see Figure 6.1) is in the ON position, supervision is enabled. If it is
in the OFF position, supervision is disabled. See section 6.2 for more information about
supervision.
6.1.4 1-Channel mode operation
If the 2ch operation switch (see Figure 6.1) is in the OFF position, the system operates in the
1-channel mode.
Voice alarm controller
In the 1-channel mode, all calls and BGM are amplified by the internal power amplifier of the
voice alarm controller. If desired, an external power amplifier can be connected for spare
switching (see section 5.1.4 ). In 1-channel mode, all calls will interrupt the BGM.
Table 6.2 1-channel mode, voice alarm controller
Voice alarm router
One or two external power amplifiers can be connected to a voice alarm router to increase the
power of the system (see section 5.2.5 ). In 1-channel mode:
– External power amplifier 1 of the voice alarm router is used to increase the power for
calls and BGM, that go via the internal power amplifier of the voice alarm controller.
– External power amplifier 2 of the voice alarm router is used for spare-switching.
Table 6.3 1-channel mode, voice alarm router
Amplifier Function
Internal BGM/Call power amplifier.
External Not connected/Spare power amplifier.
Amplifier Function
1 BGM/Call power amplifier.
2 Not connected/Spare power amplifier.
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