LG KS20 - Page 185

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10. Phone Test Mode _ 3G smart Phone KS20
Phone Test Mode Scenario_ 3G smart Phone KS20 Case(5)
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Only for training and service purposes
Item Order
Description
(6) Key Press Test
OK
-Press a key that Red arrow indicate
(7) Acoustic Loop
Test
Break
1. Enable Handset acoustic loop Test
(8) Sound Test
Ringtone(MP3) is played repeatly.
Break
2. Enable Headset acoustic loop Test