LG SJ9 - Hidden Key Mode

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Only for training and service purposes.
HIDDEN MODE KEYS
MICOM RESET Main unit ' (Volume)' + Remote control 'SOUND EFFECT' for more than 3 seconds.
VERSION CHECK
Main unit ' (Volume)' + Remote control ' (Play/Pause)' for more than 3 seconds.
Next : Forward Skip / Previous : Backward Skip
Exit : Power off
Woofer TX Reset Main unit “MIN” (volume minimum state) + Remote control ' (Mute)' for about 5 seconds.
Woofer RX Reset ‘RESET’ on the woofer for 3 seconds.
HIDDEN KEY MODE