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5.5.2.1.3
Signal Processing
Under Signal Processing you can configure the AGC (Automatic Gain Con-
trol), the Echo Canceller as well as the Expander.
FIG. 24
Line Settings
• A separate Automatic Gain Control (AGC) can be switched on for both
channels.
ATTENTION
An Automatic Gain Control is reasonable if you do not have the possibility
for Pretalk during which the level can be adjusted.
!
But: An AGC is no wizard. Extremely low callers cannot be boosted bound-
lessly. Extremely loud callers cannot be toned down boundlessly.
Please select the desired line with your mouse. To switch off the AGC se-
lect Off. To switch it on select On.
FIG. 25
Via the button Set AGC on/off for all lines you can switch on respectively
switch off the AGC for all lines.
• An Expander tones down the caller signal automatically, if its level falls
below a certain threshold value. The aim is to completely filter out back-
ground noises of callers who are not currently speaking.
T a l k m a s t e r
SIGNAL PROCESSING
CONFIGURATION AGC
X T
®
S o f t w a r e
P A G E 4 7
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