Huawei eSpace 7800 Troubleshooting Cases page 15

eSpace 7800&7900 IP Phone
Troubleshooting Cases
Diagnose
Microphone
Check
System Check
If finding any abnormalities during the diagnose, contact the supplier.
Issue 01 (2013-12-26)
Description
 Check whether the Line button LED and Programmable button
LED (only supported by eSpace 7910) can alternately blink green
and red and then turn off.
 Check whether the call history LED, speaker LED, mute LED,
MWI LED, and headset LED can blink red.
Press OK to start the microphone check.
Say something (for example, hello) to the microphone and then check
whether you can hear the voice as original through the speaker.
After the system check is complete, the diagnose result is displayed.
You can use Up and Down buttons to turn pages.
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