This manual provides operating instructions for the Panasonic RP-HC75 Stereo Earphones. It details how to install batteries, extend or rewind the cords using the provided levers, and select appropriate ear pieces. The document also explains the operation of the active noise canceling function designed to reduce low-frequency environmental noises.
You should change the battery when the operation indicator fades or fails to light up.
The earphones plug is a 3.5 mm Stereo jack.