Instruction manual

Putting the RS 165 into operation
22 | RS 165
Adjusting the volume
Press the Volume + button or the Volume button repeatedly until the
volume is adjusted to a desired level. When the minimum or maximum
volume setting is reached, you hear a beep in the headphones.
Muting/unmuting the headphones
Press the HDR power button to mute the headphones.
Press the HDR power button or any of the Volume +/buttons to
cancel the muting.
Vol Vol
If the headphones are muted for 15 minutes, the headphones switch
off automatically to save energy.