Sony D-NE509 Primary User Manual - Page 22

Protecting your hearing (AVLS) The AVLS (Automatic Volume Limiter System) function keeps down the maximum volume to protect your hearing. Press and hold SOUND/AVLS until "AVLS ON" appears on the display. Flashes when the volume is turned up beyond a certain level. To turn off the AVLS function Press and hold SOUND/AVLS until "AVLS OFF" appears on the display. Note If you use the SOUND function and the AVLS function at the same time, sound may be distorted. If this happens, turn down the volume. Turning off the operation beep sound You can turn off the beep sound that is heard from your headphones/earphones when you operate your CD player. 1 Remove the power source (AC power adaptor, dry batteries) from the CD player. 2 Connect the power source while pressing x for about one second or more. To turn on the beep sound Remove the power source and then connect the power source without pressing x. Locking the controls (HOLD) You can lock the controls on your CD player to prevent accidental button presses. Slide HOLD in the direction of the arrow. "HOLD" flashes if you press any button when the HOLD function is activated. To unlock the controls Slide HOLD in the opposite direction of the arrow. 22