Bosch PAVIRO PVA-4R24 - Pilot Tone Generation and Amplifier Supervision

PAVIRO Router Operation | en 27
Bosch Security Systems, B.V.
User manual
2022-11 | 07 | F01U306901
8.2 Pilot tone
This device includes an internal, configurable pilot tone generator and signal amplifier, which
can be switched to the speaker zones. The pilot tone generator is configured using the IRIS-
Net software.
Parameter Value/Range
Generator status On/Off
Signal frequency 18000-21500Hz
Signal amplitude (depends on load) 1-10V
i
Notice!
Under certain conditions (e.g. high signal level or loudspeakers with high sensitivity in the
high frequency range) it may be possible that people can hear the pilot tone. In this case,
increase the frequency of the pilot tone.
8.3 Amplifier input supervision
Each 100V input (AMP IN) is equipped with level/pilot tone monitoring. This allows the
connected amplifier and associated wiring to be supervised.
Parameter Value/Range
Frequency 1000 - 25000Hz
Voltage > 3 Veff
Test cycle < 10 seconds
The supervision can be switched on/off with the IRIS-Net software.