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Question Refrigeration switch for SC-396HA


Under the unlock state, the setting gears will be -1 or +1 according to press the A1 or A2 button, it will shows-1 or +1 consecutively when hold for more than 1 second, the setting gears will cycle between 0 and 8, there’s no button operation after setting the gear 5 seconds, the system will memory the setting temperature and be locked, the gear adjustment is completed.

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