Procedure
1. Do one of the following:
▪ In a call: Go to Menu > More > Settings > Diagnostics > Color Bars.
▪ Out of a call: Go to Menu > Settings > Diagnostics > Color Bars.
2. Select Start.
Test Speakers
This diagnostic test checks the speaker connections and volume level.
After you start the test, you hear a tone. If your system is in a call, the far site also hears the tone.
Procedure
1. Do one of the following:
▪ In a call: Go to Menu > More > Settings > Diagnostics > Speaker Test
▪ Out of a call: Go to Menu > Settings > Diagnostics > Speaker Test
2. Select Start.
Test Audio Levels
Audio meters show you real-time audio input and output signals for your system, including microphones,
far-site audio, and other connected audio devices.
Procedure
1. Do one of the following:
▪ In a call: Go to Menu > More > Settings > Diagnostics > Audio Meter.
▪ Out of a call: Go to Menu > Settings > Diagnostics > Audio Meter.
2. To test the audio, do one of the following:
▪ To check the microphones, speak into the microphones.
▪ To check far-site audio, ask a participant at the far-site to speak, or call a phone in the far-
site room to hear it ring.
3. For normal speech, set the audio signal levels so that you see peaks between +3 dB and +7 dB.
Note: Occasional peaks of +12 dB to +16 dB with loud transient noises are acceptable. If you
see +20 on the audio meter, the audio signal is 0 dBFS and the audio might be distorted.
A meter reading of +20 dB corresponds to 0 dBFS in the room system audio.
Pair a Remote Control
The remote comes paired with the G7500 system. To use a different Polycom remote control, you must
pair it with the system. If your remote isn’t working, attempt to pair the remote again.
Troubleshooting
Polycom, Inc. 30
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