Appendix - LG LRE3193BD Service Manual

APPENDIX

Key operation Test sequence
First
Last
<Fig.1>
※ How to check button operation
1. Keys should be accessed according to the above sequence and check the beep sound when key is accessed
2. If the key access order was changed, the buzzer make double beep sound
3. The buzzer does NOT beep when a key was accessed, it would be defected.
※ How to stop - Key Test mode
- Press 1st  2nd ...  29th (CLEAR)
- Press 'CLEAR' button one more.
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