Rf Test [Menu 2]; Mf Mode [Menu 3] - LG C3400 Service Manual

9.1.8 Audio
This is a menu for setting the control register of Voiceband Baseband Codec chip. Although
the actual value can be written over, it returns to default value after switching off and on the
phone.
1) VbControl1 : VbControl1 bit Register Value Setting
2) VbControl2 : VbControl2 bit Register Value Setting
3) VbControl3 : VbControl3 bit Register Value Setting
4) VbControl4 : VbControl4 bit Register Value Setting
5) VbControl5 : VbControl5 bit Register Value Setting
6) VbControl6 : VbControl6 bit Register Value Setting
9.1.9 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

9.2 RF Test [MENU 2]

9.2.1 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

9.3 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.
9.3.1 All auto test
LCD, Backlight, Vibrator, Buzzer, Key Pad, Mic&Speaker,
9.3.2 Backlight
LCD Backlight is on for about 1.5 seconds at the same time, then off.
9.3.3 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.
9.3.4 Vibrator
Vibrator is on for about 1.5 seconds.
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9. ENGINEERING MODE