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Question Displaylock/unlockfunction for SC-396HA


Under the screen lock state, the display board will unlocked and can be adjusted when press the A1 and A2 two buttons at the same time. Under the screen unlock state, the dispaly board will locked when press the A1 and A2 two buttons for 3 seconds or there’s no any button press in 30 seconds, the lock icon will light when in the locking mode, press the“︿”and“︿”two buttons will switch between unlocking and locking at the same time.

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