Polycom Vortex EF2280 Reference Manual page 18

Set Levels on Line
Input Channels
V EF2280 Reference Manual
ORTEX
you should increase your input gain by 15 dB. If the meter shows an average gain of
+10 dB, you should decrease your input gain by 10 dB.
Adjust Input Gain here
Figure 10. AGC Meter on the Diagnostics page of the Conference Composer soft-
ware.
I AGC M
F THE ETER SHOWS
positive gain
negative gain
an average level of 0 dB
Table 1: How to set the Input Gain using the AGC meter on the Conference
Composer Diagnostics page.
Set the line input channel gains (Channels A-D) to match the nominal level of the
incoming equipment. The line inputs have a maximum nominal level of 0 dBu. If
your incoming line level inputs have a higher nominal level than 0 dBu you will want
to use a pad to remove the level.
16
I EF2280 I
NTEGRATING THE
AGC Level Meter
... A
DJUST THE
Increase gain by the level
shown in the box.
Decrease gain by the level
shown in the box.
You've set the Input Gain
to a good level!
Technical Support: 800.932.2774
Y S
NTO OUR YSTEM
Read AGC le
I G .
NPUT AIN IN THIS WAY