Sony MDR-DS4000 Operating Instructions - Page 19

7 Adjust the volume. Raise the volume Lower 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. Self-adjusting band 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. (Continued) Operation 19GB