Polycom Vortex EF2280 Reference Manual page 19

Configure
Program Audio
Sources
© Polycom, Inc.
ative value. If you have a positive room gain, make adjustments in the follow-
ing areas:
1. Lower the gain on the amplifier.
2. Increase the levers of the remote audio coming into the Vortex to com-
pensate for turning down the amplifier.
3. OR adjust the placement of the microphone relative to the loudspeaker.
Figure 8. Room Gain Meter on the Diagnostics page of the Conference
Composer control software.
Set the gains on the matrix mixer inputs from the program audio sources so
that program audio is played into the room at a level similar to that of speech
from the remote site. This should also ensure that the program audio levels
are good when sent to the remote site.
17
Room Gain Meter
Read Room Gain
from here
V EF2280 Reference Manual
ORTEX
I
NSTALLATION