Sony D-F181 - Manual (Page 8)

Using other functions
To enjoy more powerful bass sound
(Sound function)
You can enjoy a powerful bass-boosted
sound.
Press SOUND to select "BASS" or "GROOVE"
"GROOVE" is more effective.
Note
• If the sound is distorted when emphasizing
bass, turn down the volume.
To lock the buttons
You can lock your player against any
accidental operatiorts.
Set AVLS to LIMIT.
The AVLS indication appears.
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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.
Slide HOLD in tfie direction of ttte arrow.
When you press any button, “Hoi d" appears in
the display and you carmot operate the player.
To unlock, slide HOLD back.
To protect your hearing (AVLS)
The AVLS (Automatic Volume Limiter
System) function keeps down the maximum
volume to protect your ears.