Sony MDR DS4000 Operating Instructions Manual page 19

7
Adjust the volume.
Notes
• When watching films, be careful not to raise the volume too high in quiet scenes. You
may hurt your ears when a loud scene is played.
• You may hear some noise when you disconnect the AC power adaptor from the
processor before removing the headphones.
• If the infrared sensors are covered by your hands when adjusting the volume, the Muting
function will be activated and volume cannot be adjusted. To adjust the volume, move
nearer toward the processor or orient the infrared sensors on the left housing towards the
processor.
The headphones automatically turn off
when they are removed
— Auto Power On/Off function
Do not pull up the self-adjusting band when
not in use, as this will consume the battery
power.
Transition time between modes
When sliding switches on the processor to change to new modes, the transition time
between modes may vary. This is due to differences in system control between
modes.
If no sound is heard from the headphones
The sound output from the headphones is cut off if the Muting function is
automatically activated when the headphones are outside the infrared transmission
area, or when the infrared signals are interrupted. The Muting function is
automatically cancelled when you get closer to the processor or there is no longer
anything obstructing the path of the infrared signals.
Raise the
volume
Lower the
volume
Self-adjusting
band
(Continued)
GB
19
Operation