LG KG920, Service Manual

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9. ENGINEERING MODE
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9.7.3 Buzzer
This menu is to test the volume of Melody. It rings in the following sequence. Volume 1, Volume 2,
Volume 3, Volume 0 (mute), Volume 4, Volume 5.
9.7.4 Vibrator
Vibrator is on for about 1.5 seconds.
9.7.5 LCD
Main LCD screen resolution tests horizontally and vertically one by one and fills the screen.
9.7.6 Key pad
When a pop-up message shows ‘Press Any Key’, you may press any keys including side keys, but not
[Soft2 Key]. If the key is working properly, name of the key is displayed on the screen. Test will be
completed in 15 seconds automatically.
9.7.7 MicSpk Test
The sound from MIC is recorded for about 3 seconds, then it is replayed on the speaker automatically.
9.7.8 Camera
Camera is operated and all functiones is available except save function.
9.8 Trace option [MENU 4]
This is NOT a necessary menu to be used by neither engineers nor users.
9.9 Call timer [MENU 5]
This menu is to set the Digital Audio Interface Mode for Speech Transcoder and Acoustic testing.
1) All calls : This displays total conversation time. User cannot reset this value.
2) Reset settings : This resets total conversation time to this, [00:00:00].
3) DAI DOWNLINK : Speech decoder test
4) DAI OFF : DAI mode off