Huawei MediaPad 7 Lite S7-931w Maintenance Manual page 77

Headset Loopback Test
In a headset recording test, insert the headset and tap Record to start recording. After the
recording is finished, tap Play to play the recorded audio and check whether the recorded
audio is normal.
2012-10-08
MediaPad 7 Lite Maintenance Manual
Huawei Confidential
INTERNAL
Page 77 of 82