18
improve whenever the button indicates
Limiter In
. The input
limiter is electronically lowering the INPUT LEVELS to avoid
overload. Restore the button to the
Limiter Out
position and
restore the INPUT LEVELS controls to normal level.
17.
Click on the
AGC Setup
button in the Output Levels block.
The following window (Figure 3-7) will appear:
Use the mouse to set the Release Time to 200 milliseconds
and the Maximum Gain to 20dB, as shown in Figure 3-7.
Click on
OK
when done.
18.
Reduce the INPUT LEVEL until the Output Level Bargraphs
indicate a peak signal level of approximately -36dB.
19.
Switch the AGC in and out by clicking on the
AGC
button in
the Output Levels block. You should notice the output level
bargraphs slowly increase to approximately -18dB indicated
level and the audio level as heard through the headphones
dramatically increase whenever the button indicates
AGC In
.
The AGC attempts to make the Output Level constant and is
useful in near party/far party situations. Restore the button to
the
AGC Out
indication, and restore the INPUT LEVELS
controls to normal level.
Figure 3-7 Tutorial AGC Setup Window
Summary of Contents for PCAP II
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