Sennheiser 502875 - Manual (Page 23)

Using the RS 180
22
Adjusting the volume on the headphones
̈
Press the VOLUME – button
¶
or the VOLUME + button
´
repeatedly
until the volume is adjusted to a comfortable and undistorted level.
Muting the headphones
̈
Briefly press the multi-function button
²
to mute the headphones
or to cancel the muting.
Vol + Vol - Vol + Vol -
´
¶
²