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Testing Phone Hardware
Your system administrator may ask you to access a diagnostics menu on your phone to test 
your phone hardware. You can test your phone’s microphones, speaker, handset, third-party 
headset (if present), keypad mappings, touchscreen, and LEDs . See your system administrator 
for instructions on how to perform these tests.
Select Settings from Home view, and select Status > Diagnostics > Test Hardware.
From the Test Hardware screen, select one of the following :
To change the backlight intensity :
1
2
Audio Diagnostics
Keypad Diagnostics
Display Diagnostics
Brightness Diagnostics
LED Diagnostics
Chapter 6 : Getting Help
This chapter provides locations where you can access useful Polycom or third-party documents 
and web links, including related Polycom, partner, or third-party documents and web sites.
Related Documents
For more information about installing, configuring, and administering Polycom products, refer 
to Documents and Downloads at Polycom Support.