Panasonic CQ-C5403W Operating Instructions Manual page 32

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Remote control unit
Problem
No response to press-
ing buttons
Possible cause
The battery is inserted in the wrong direction. A wrong battery is inserted.
aInsert a correct battery in the correct direction.
The battery is weak.
aReplace the battery with new one.
The aiming direction of the remote control unit is wrong.
aAim the remote control unit at the sensor of the unit and press buttons.
The sensor is exposed to direct sunlight. (The remote control unit may not be
operable when the sensor is exposed to direct sunlight. In such a case, the
system is not faulty.)
aBlock off sunlight to the sensor.
Possible solution
a
CQ-C5403W/C5303W
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