LG -600 Series Repair Manual page 18

5. ENGINEERING MODE
C. Keypad Test [1-4]
D. Melody Test [1-5]
• Auto Test [1-5-1]
• Melody Pattern [1-5-2]
• Melody Volume [1-5-3]
E. Vibrator [1-6]
F. Battery Test [1-7]
G. Serial Port Test [1-8]
H. Audio Gain Test [1-9]
• Receiver [1-9-1]
• Earmic [1-9-2]
• Loudspeaker [1-9-3]
• Handsfree [1-9-4]
• Default value [1-9-5]
I. Deep Sleep Test [1-10]
GSM Handsets Lab.
: Voice[1-9-1-1], Keytone[1-9-1-2], Echo Control[1-9-1-3]
: Voice[1-9-2-1], Keytone[1-9-2-2], Echo Control[1-9-2-3]
: Voice[1-9-3-1], Keytone[1-9-3-2], Echo Control[1-9-3-3]
: Voice[1-9-4-1], Keytone[1-9-4-2], Echo Control[1-9-4-3]
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