Displays - Polycom SoundPoint 550 User Manual

User Guide for the SoundPoint IP 550/560 Phone

Displays

Symptom
There is no display.
The display is incorrect.
The display has bad contrast.
The expansion module is not
working.
The display flickers.
5 - 6
Problem
Power is not correctly applied to
the SoundPoint IP 550/560
phone or the SoundPoint IP
Color Expansion Module.
The contrast needs adjustment.
Outbound or inbound calling is
unsuccessful.
A certain type of older
fluorescent lighting causes the
display to appear to flicker.
Corrective Action
Do one of the following:
• Check that the screen is illuminated.
• Make sure the LAN cable is inserted
properly at the back of the phone.
• If using Power over Ethernet (PoE),
have your system administrator check
the PoE switch, and that EM power is
enabled in the Network Configuration
menu (if using an expansion module).
• Use the screen capture feature.
Contact your system administrator to
determine if it is enabled.
Do one of the following:
• Refer to Changing the Display
Contrast on page 5-2.
• Restart the phone to obtain a default
level of contrast.
• Use the screen capture feature.
Contact your system administrator to
determine if it is enabled.
Do one of the following:
• Place a call to the phone under
investigation. Check that the screen
indicates incoming call information.
• Lift the handset. Ensure the dial tone
is present and place a call to another
extension or number. Check that the
screen changes in response.
• Use the screen capture feature.
Contact your system administrator to
determine if it is enabled.
Do one of the following:
• Move the SoundPoint IP 550/560 SIP
phone away from the lights.
• Replace the lights in your work
environment.
• Use the screen capture feature.
Contact your system administrator to
determine if it is enabled.