Additional information, Precautions, Notes on discs – Sony CDX-GT420U Manuel d'utilisation

Page 13: Additional information precautions

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13

Location of controls

The corresponding buttons on the rotary
commander control the same functions as those
on this unit.

The following controls on the rotary commander
require a different operation from the unit.

ATT (attenuate) button

To attenuate the sound. To cancel, press again.

SEL (select) button

The same as the select button on the unit.
During the Quick-BrowZer mode, (SEL)
(select) is inactive.

PRESET/DISC control

CD/USB: The same as (1)/(2) (ALBUM –/+)
on the unit (push in and rotate).
Radio: To receive stored stations (push in and
rotate).

VOL (volume) control

The same as the control dial on the unit (rotate).

SEEK/AMS control

The same as (SEEK) –/+ on the unit (rotate, or
rotate and hold).

DSPL (display) button

To change display items.

Changing the operative direction

The operative direction of the controls is factory-
set as shown below.

If you need to mount the rotary commander on
the right hand side of the steering column, you
can reverse the operative direction.

1 While pushing the VOL control, press and

hold (SEL).

Additional Information

Precautions

• If your car has been parked in direct sunlight,

allow the unit to cool off before operating it.

• Power antenna (aerial) will extend automatically

while the unit is operating.

Moisture condensation

On a rainy day or in a very damp area, moisture
condensation may occur inside the lenses and
display of the unit. Should this occur, the unit will
not operate properly. In such a case, remove the disc
and wait for about an hour until the moisture has
evaporated.

To maintain high sound quality

Be careful not to splash juice or other soft drinks
onto the unit or discs.

Notes on discs

• To keep a disc clean, do not touch its surface.

Handle the disc by its edge.

• Keep your discs in their cases or disc magazines

when not in use.

• Do not subject discs to heat/high temperature.

Avoid leaving them in a parked car or on a
dashboard/rear tray.

• Do not attach labels, or use discs with sticky ink/

residue. Such discs may stop spinning when used,
causing a malfunction, or may ruin the disc.

• Do not use any discs with labels or stickers

attached.
The following malfunctions may result from using
such discs:
– Inability to eject a disc (due to a label or sticker

peeling off and jamming the eject mechanism).

– Inability to read audio data correctly (e.g.,

playback skipping, or no playback) due to heat
shrinking of a sticker or label causing a disc to
warp.

• Discs with non-standard shapes (e.g., heart,

square, star) cannot be played on this unit.
Attempting to do so may damage the unit. Do not
use such discs.

• You cannot play 8 cm (3

1

/

4

in) CDs.

OFF

ATT

SEL

SOURCE

DSPL

MODE

OFF

VOL

SEEK/AMS

PRESET/

DISC

To increase

To decrease

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