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IQBRK00/01
B12
IQBRK00OPS 05/04/07
www.snellwilcox.com
Version 1 Issue 6
B12.20
Audio Setup
Audio Monitoring
The four audio buses are monitored and level
detectors provide status information and logging
data.
Silence
The level at which the signal is considered to have
dropped to silence may be set with this control.
The range is from -80 dB to 0 dB in steps of 1 dB.
Preset is to -70 dB.
Low Level
The level at which the signal is considered to have
dropped to a Low Level may be set with this
control.
The range is from -80 dB to 0 dB in steps of 1 dB.
Preset is to -60 dB.
High Level
The level at which the signal is considered to have
risen to a High Level may be set with this control.
The range is from -80 dB to 0 dB in steps of 1 dB.
Preset is to -10 dB.
Overload
The level at which the signal is considered to have
risen to an Overload condition may be set with this
control.
The range is from -80 dB to 0 dB in steps of 1 dB.
Preset is to 0 dB.
Warning Timer
All the above monitoring facilities will only operate
after a time interval set by this control. A valid
signal is reported immediately.
The range is from 1 to 20 seconds. Preset is to 10
seconds.
Audio Tone
The frequency of the Audio Test Tone may be set
using this control. Left and right channels may be
set independently.
Frequency L and R
The range is from 100 Hz to 15 kHz in steps of
100 Hz. Preset is to 400 Hz.