See also:

Replacing batteries in the headphones
The headphones use two AAA batteries. It is advisable to have extra batteries on hand during long trips. Battery cover and retaining screw 1. Unscrew the retaining screw and remove the batter ...

Symbols and messages in the display
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Cordless headphones
1 Switch for selecting channel A (CH.A) or channel B (CH.B) 2 On/Off button 3 Volume 4 On/Off indicator light Two sets of cordless headphones are included with the RSE system. The cordless he ...