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Diagnostics and General Troubleshooting
7 - 27
Audio is not in stereo. Microphones at the sending
site are not placed
correctly.
Be sure the microphones are set up as described in
Connecting Microphones or a
SoundStation VTX 1000 on page 2-19. Microphones
must be at least 3 ft. (0.9 m) apart and properly
positioned.
Move the microphones farther apart for clearer
stereo imaging. Small changes in distance can have
large effects on sound reproduction.
Speakers at the receiving
site are not placed
correctly.
Ensure the speakers are about 60° apart as seen
from the middle of the seating area.
Speakers at the receiving
site are not connected
correctly.
Test both speakers using the test on Diagnostics >
Audio > Speaker Test. If you do not hear the 400 Hz
tone from both speakers, check the speaker wires
and other external audio connections.
The receiving site is not set
up for stereo sound.
Advise the people at the receiving site that the sound
will be in stereo only if the system is set up for stereo
as described in Placing Speakers to Play Stereo from
Far Sites on page 2-27 and Configuring
StereoSurround Settings on page 4-25.
Check whether stereo is enabled on the Admin
Settings > Audio Settings screen.
Echo cancellation is
enabled on the balanced
audio input.
This disables the stereo
feature.
If you are not using the audio mixer, clear the Echo
Canceller selection on the second Admin Settings
> Audio Settings screen.
The call speed is too low.
The system only sends
stereo audio in calls placed
at 256 Kbps and higher.
Try the call at a higher speed.
The system is configured
for single monitor VGA.
Stereo audio is disabled by default on all systems
that support VGA as the main (or single) monitor.
The system is in a
cascaded call.
Stereo audio is disabled when the system is in a
cascaded call.
Encryption is selected. Stereo audio is disabled when encryption is selected.
Dual monitor emulation is
selected.
Stereo audio is disabled when dual monitor
emulation is selected.
Symptom Problem Corrective action