You can hear the bass line moe clearly even if
the vocal sound is the same volume. You can
emphasize and adjust the bass sound easily
with the D-bass control. This effect is similar to
the one you get when you use an optional
Moeover, the Digital D-bass* function creates
even shaper and more powerful bass sound
than Analog D-bass.
* Digital D-bass is available during CD playback.
Adjusting the bass curve
Turn the D-BASS dial to adjust the bass
level (1, 2 or 3).
"D-BASS" appears in the display.
During CD playback, "DIGITAL D-BASS"
appears in the display.
To cancel, turn the dial to the OFF position.
Muting the beep tone
Press (6) while pressing (SEL).
To obtain the beep tone again, press these
If you connect an optional power amplifier and do not
built-in amplifier, the beep tone will be disabled.
Turning on the clock
— Power Select Function
Only for cars with an accessory position on the
ignition key switch
To turn the Power Select Function ON
Press (OFF) while pressing (SEL).
The Power Select Function ties the clock
display power to the accessory position on
the ignition key switch.
To avoid battery wear, the clock is not
displayed while the unit is initializing.
You cannot operate this function with the optional rotary
remote (RM-X2S) (CDX-4160 only).
Actual total number:
• If your car was parked in direct sunlight
resulting in a considerable rise in
temperature inside the car, allow the unit to
cool off before operating it.
• If no power is being supplied to the unit,
check the connections first. If everything is in
order, check the fuse.
• If no sound comes from the speakers of a
two-speaker system, set the fader control to
the center position.
•If your car is equipped with a power
antenna, note that it will extend
automatically while the unit is operating.
If you have any questions or problems
concerning your unit that are not covered in
this manual, please consult your nearest Sony
Notes on handling CDs
A dirty or defective disc may cause sound
dropouts while playing. To enjoy optimum
sound, handle the disc as follows.
Handle the disc by its edge. To keep the disc
clean, do not touch the surface.
Do not stick paper or tape on the labeled
Do not expose the discs to direct sunlight or
heat sources such as hot air-ducts, or leave
them in a car parked in direct sunlight where
there can be a considerable rise in the
temperature inside the car.
Sony CDX-4160/3160 (