PYLE Audio SOUNDPOINT IP 450 ユーザーズマニュアル

 Troubleshooting Your Phone

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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, speaker, handset, third-party headset (if present), 

keypad mappings, and LCD display. See your system administrator for 

instructions on how to perform these tests.

Press 

, and then select Status > Diagnostics > Test Hardware 

> Audio Diagnostics, Keypad Diagnostics, or Display Diagnostics.