Configuration Instructions

Configuration pages – Overview
'Audio Input Configuration'
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6.2.6.4 IO Triggered: AVC value is calculated by using the
given digital input value
Fig. 65: IO Triggered
If enabled, the AVC value is controlled via the specified digital input configured at
the 'digInput' field.
If the input is low, the AVC value rises to the maximal attenuation factor.
If the input is high, the AVC value is 0dB (no attenuation).
NOTICE
The meaning and behavior of this flag is changed when the 'Skip Calls' flag
is active.
'Skip Calls'
It is used to freeze the AVC value during a priority call. If a call is pending, the
latest AVC value is used until the call is over. After that, the AVC value calculation
will continue.
'Skip use IO'
This flag is visible if the 'Skip Calls' function is active. The 'Skip Calls' flag freezes
the AVC value during an active call. When the 'Skip use IO' is enabled, the AVC
value also freezes in case of an active digital input.
'IO Triggered'
This flag is visible when the 'Skip Calls' function is inactive. It permanently disables
the AVC value calculation. The AVC value changes depending on a digital input of
the local station. A digital input can be selected in the 'digInput' field.
'Output'
Set this value to a local output. This output signal is used for calculation of the AVC
algorithm.
'Threshold'
AVC takes effect when the noise level at Input 4 is above this level.
'Max Attenuation (Max Att.)'
Maximum range of volume control for the AVC algorithm in dB.
'Attack'
The attack rate of a signal in dB/s. A larger value means faster volume up when
the noise level increases.
'Release'
The release rate of a signal in dB/s. A larger value means faster volume down
when the noise level decreases.