Panasonic HDC-SD100PC Operating Instructions Manual page 21

∫ Remote control usable range
A Remote control sensor
Distance: Within approx. 5 m (16 feet)
Angle: Approx. 10o up and 15o down, left, and
right
≥ The remote control is intended for indoor
operation. Outdoors or under strong light, the
unit may not operate properly even within the
usable ranges.
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