Mf Mode [Menu 3] - LG G7100 Service Manual

10.3 MF mode [MENU 3]

This manufacturing mode is designed to do the baseband test automatically. Selecting this menu will
process the test automatically, and phone displays the previous menu after completing the test.
10.3.1 All auto test
LCD, Backlight, Vibrator, Buzzer, Key Pad, Mic&Speaker, Camera are tested in order for a certain
time.
10.3.2 Backlight
LCD Backlight and LED Backlight are on for about 1.5 seconds at the same time, then off.
10.3.3 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.
10.3.4 Vibrator
Vibrator is on for about 1.5 seconds.
10.3.5 LCD
Main LCD screen resolution tests horizontally and vertically one by one and fills the screen.
10.3.6 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.
10.3.7 Sub LCD
Sub LCD screen resolution tests horizontally one by one and fills the screen.
10. ENGINEERING MODE
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