Sony D-ES55 - Manual (Page 12)

To protect your hearing (AVLS)
The AVLS (Automatic Volume Limiter
System) function keeps down the maximum
volume to protect your ears.
Set AVLS to LIMIT.
The AVLS indication appears.
If you turn up the volume to " " "> the
AVLS indication flashes and you cannot turn
up the volume any more.
-
or •
If you want to turn up the volume to more than
indication disappears from 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.