Sony D-F21 User Manual

You can emphasize the bass-boosted sound.

“BASS 

” enhances the bass sound

more than “BASS 

.”

• If the sound is distorted when using the SOUND

function, turn down the volume.

• When listening to the radio, the SOUND function

does not work.

B

The typical ESP (Electronic Shock
Protection) function minimizes skipping by
using a buffer memory that stores music data
and plays it back in the event of a shock.
The ESP MAX system is an extremely
sophisticated technology. Due to the light
weight and improved anti-shock
characteristics of the optical block, this
system recovers from the skipping much
quicker than conventional technology such as
ESP or ESP

2

.*

* Although ESP MAX provides excellent

protection, skipping may occasionally occur.

To turn off the ESP MAX function
Set ESP to “OFF.”

• Playing may stop when the CD player gets a

strong shock even with the ESP MAX function
on.

• You may hear a noise or sound may skip:

– when listening to a dirty or scratched CD,
– when listening to an audio test CD,
– when the player receives continuous shock or
– when using poor-quality CD-Rs or if there is a

problem with the recording device or
application software.