Sony WALKMAN D-NE509 Manual De Instrucciones página 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.
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.
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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.