LG -D295 Service Manual page 236

10. HIDDEN MENU
ELT Test
Automatic Mode : Test Automatically
Manual Mode : Test selectivity
ELT Test
Automatic Mode : LCD Automatic on/off test
-> time setting
ELT Manual Test
-LCD Backlight
-Ringtone
-Vibrator
-Camera
-Audio Loopback
-Audio Loopback(Mic1)
-Audio Loopback(Mic2)
-Audio Loopback(Mic3)
-> test on the device is working
(The ability to use plant)
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