Polycom 7000 - Manual (Page 121)

Troubleshooting Your Phone
5 - 7
Displays
Audio
Testing Phone Hardware
Your system administrator may ask you to access a diagnostics menu on your
phone to test your phone hardware. From the diagnostics menu, you can test
your phone’s microphones, keypad mappings, and display. See your system
administrator for instructions on how to perform these tests.
To test your phone hardware:
>> Press , and then select Status > Diagnostics > Test Hardware >
Audio Diagnostics, Keypad Diagnostics, or Display Diagnostics.
Symptom Problem Corrective Action
There is no display.
The display is incorrect.
The display has bad contrast.
Power is not correctly applied to
the phone. Verify that power is correctly applied to the
phone:
• Check that the display is illuminated.
• Ensure the network cable is inserted
properly on the underside of the
phone. (Try unplugging and
re-inserting the cable.)
• If your phone uses in-line power, have
your system administrator check that
the switch is supplying power to the
phone.
The contrast needs adjustment. Adjust the screen contrast. (See Updating
the Display Contrast on page 2-6 .)
The display is flickering. Certain types of older fluorescent
lighting cause the display to
appear to flicker. Do one of the following:
• Move the phone away from the lights.
• Replace the lights.
Symptom Problem Corrective Action
The speaker has no audible
sound. Speaker volume is low. Adjust the speaker volume. During a call,
press either or .