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Operations cannot be performed through the remote control unit
Operations cannot be performed through the remote control unit.
Battery is worn out. Replace with new battery. link
Operate the remote control unit within a distance of about 23 ft/7 m from this unit and at an angle of within 30°. link
Remove any obstacle between this unit and the remote control unit.
Insert the battery in the proper direction, checking the and marks. link
The set’s remote control sensor is exposed to strong light (direct sunlight, inverter type fluorescent bulb light, etc.). Move the set to a place in which the remote control sensor will not be exposed to strong light.