LG KG920 - RF Test [MENU 2]; MF Mode [MENU 3]; Sar Test; All Auto Test

9. ENGINEERING MODE
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9.5.9 DAI (Digital Audio Interface)
This menu is to set the Digital Audio Interface Mode for Speech Transcoder and Acoustic testing.
1) DAI AUDIO : DAI audio mode
2) DAI UPLINK : Speech encoder test
3) DAI DOWNLINK : Speech decoder test
4) DAI OFF : DAI mode off
9.5.10 Bluetooth
This menu is to test Bluetooth.
1) Enter test mode
2) Bypass mode On
3) Bypass mode Off
9.6 RF Test [MENU 2]
9.6.1 SAR test
This menu is to test the Specific Absorption Rate.
1) SAR test on : Phone continuously process TX only. Call-setup equipment is not required.
2) SAR test off : TX process off
9.7 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.
9.7.1 All auto test
LCD, Backlight, Vibrator, Buzzer, Key Pad, Mic&Speaker, Camera tests is excuted.
9.7.2 Backlight
LCD Backlight is on for about 1.5 seconds at the same time, then off.