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Issue 1
Software Versions
BVR8-30. Released 25-10-2001
Faster response time from ANS sensors.
BVR8-43. Released 21-07-2003
Under high reverberation conditions it is possible that the level increase inhibit detector is not
effective and the echo is sensed as ambient noise during pauses in the broadcast message.
This run away is made more apparent if the sensor sensitivity is set too high and in a tunnel
environment.
BVR8-43 allows the installer to select the freeze condition when the output has been
selected i.e. the busy state.
As message 1, input 5 does not have the facility to select a chime, this is now used to select
the ANS mode.
CHIME
OFF
Selects auto freeze when an output signal is detected at normal
sensitivity.
CHIME
1-note
Selects auto freeze when an output signal is detected at normal
sensitivity or if the output has a busy condition.
CHIME
2-note
Selects auto freeze when an output signal is detected at
maximum sensitivity.
CHIME
3-note
Selects auto freeze when an output signal is detected at
maximum sensitivity or if the output has a busy condition
