Installation guide

VAR4 / VAR12 / VAR20 - Product Description
Figure 6 Sequence of Events for Single Audio Source
MUSIC
FADE UP=T1
FADE DOWN= T2
T1
MUSIC AUDIO
T2
ON
OFF
The diagram in Figure 7 illustrates the sequence of events during the override of a background music source
by a Paging Microphone with chime.
Note that the background music Fade Down time (T2) not used in this instance. Instead the microphone
Fade Down time (T4) is used.
Figure 7 Sequence of Events for Paging Microphone Chime Overriding a Background Music
MUSIC
FADE UP=T1
FADE DOWN= T2
T4
T1
MICROPHONE
FADE UP=T3
FADE DOWN= T4
T3
T4
MICROPHONE
PTT
ON
ON
OFF
OFF
MUSIC AUDIO MUSIC AUDIO
MIC AUDIO
CHIME AUDIO
MICROPHONE
SPEAK-NOW LED
Issue: 03 complete, approved
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