Sony MEX-BT2500: Additional Information

• Before playing, clean the discs

Additional Information

with a commercially available

cleaning cloth. Wipe each disc

from the center out. Do not use

Precautions

solvents such as benzine,

thinner, commercially available

• If your car has been parked in direct sunlight,

cleaners, or antistatic spray

allow the unit to cool off before operating it.

intended for analog discs.

• Power antenna (aerial) will extend automatically

while the unit is operating.

Notes on CD-R/CD-RW discs

• Some CD-Rs/CD-RWs (depending on the

Moisture condensation

equipment used for its recording or the condition

On a rainy day or in a very damp area, moisture

of the disc) may not play on this unit.

condensation may occur inside the lenses and

• You cannot play a CD-R/a CD-RW that is not

display of the unit. Should this occur, the unit will

finalized.

not operate properly. In such a case, remove the disc

and wait for about an hour until the moisture has

evaporated.

Music discs encoded with copyright

protection technologies

To maintain high sound quality

This product is designed to play back discs that

Be careful not to splash juice or other soft drinks

conform to the Compact Disc (CD) standard.

onto the unit or discs.

Recently, various music discs encoded with

copyright protection technologies are marketed by

some record companies. Please be aware that among

Notes on discs

those discs, there are some that do not conform to

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

the CD standard and may not be playable by this

Handle the disc by its edge.

product.

• Keep your discs in their cases or disc magazines

when not in use.

Note on DualDiscs

• Do not subject discs to heat/high temperature.

A DualDisc is a two sided disc product which

Avoid leaving them in a parked car or on a

mates DVD recorded material on one side with

dashboard/rear tray.

digital audio material on the other side. However,

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

since the audio material side does not conform to

residue. Such discs may stop spinning when used,

the Compact Disc (CD) standard, playback on this

causing a malfunction, or may ruin the disc.

product is not guaranteed.

About MP3/WMA files

MP3, which stands for MPEG-1 Audio Layer-3, is a

music file compression format standard. It

compresses audio CD data to approximately 1/10 of

its original size.

• Do not use any discs with labels or stickers

WMA, which stands for Windows Media Audio, is

attached.

another music file compression format standard. It

The following malfunctions may result from using

compresses audio CD data to approximately 1/22*

such discs:

of its original size.

– Inability to eject a disc (due to a label or sticker

* only for 64 kbps

peeling off and jamming the eject mechanism).

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

• The unit is compatible with the ISO 9660 level 1/

playback skipping, or no playback) due to heat

level 2 format, Joliet/Romeo in the expansion

shrinking of a sticker or label causing a disc to

format, and Multi Session.

warp.

• The maximum number of:

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

– folders (albums): 150 (including root and empty

square, star) cannot be played on this unit.

folders).

Attempting to do so may damage the unit. Do not

– MP3/WMA files (tracks) and folders contained

use such discs.

in a disc: 300 (if a folder/file names contain

1

• You cannot play 8 cm (3

/4 in) CDs.

many characters, this number may become less

than 300).

– displayable characters for a folder/file name is

32 (Joliet), or 64 (Romeo).

• ID3 tag versions 1.0, 1.1, 2.2, 2.3 and 2.4 apply to

MP3 only. ID3 tag is 15/30 characters (1.0 and

1.1), or 63/126 characters (2.2, 2.3 and 2.4).

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WMA tag is 63 characters.

Playback order of MP3/WMA files

On Bluetooth communication

• Bluetooth wireless technology operates within a

Folder

MP3/WMA

range of about 10 m.

(album)

Maximum communication range may vary

MP3/WMA file

depending on obstacles (person, metal, wall, etc.)

(track)

or electromagnetic environment.

• The following conditions may affect the

sensitivity of Bluetooth communication.

– There is an obstacle such as a person, metal, or

wall between this unit and Bluetooth device.

– A device using 2.4 GHz frequency, such as a

wireless LAN device, cordless telephone, or

microwave oven, is in use near this unit.

• Because Bluetooth devices and wireless LAN

(IEEE802.11b/g) use the same frequency,

microwave interference may occur and resulting in

communication speed deterioration, noise, or

Notes

invalid connection if this unit is used near a

• When naming an MP3 file/WMA file, be sure to add

wireless LAN device. In such as case, perform the

the file extension “.mp3”/“.wma” to the file name.

following.

• During playback of a VBR (variable bit rate) MP3/

– Use this unit at least 10 m away from the

WMA file or fast-forward/reverse, elapsed playing

wireless LAN device.

time may not display accurately.

• When the disc is recorded in Multi Session, only the

– If this unit is used within 10 m of a wireless

first track of the first session format is recognized

LAN device, turn off the wireless LAN device.

and played (any other format is skipped). The

– Install this unit and Bluetooth device as near to

priority of the format is CD-DA and MP3/WMA.

each other as possible.

– When the first track is a CD-DA, only CD-DA of the

• Microwaves emitting from a Bluetooth device may

first session is played.

affect the operation of electronic medical devices.

– When the first track is not a CD-DA, an MP3/WMA

Turn off this unit and other Bluetooth devices in

session is played. If the disc has no data in any of

the following locations, as it may cause an

these formats, “NO MUSIC” is displayed.

accident.

Notes on MP3

– where inflammable gas is present, in a hospital,

• Be sure to finalize the disc before using on the unit.

train, airplane, or a petrol station

• If you play a high-bit-rate MP3, such as 320 kbps,

– near automatic doors or a fire alarm

sound may be intermittent.

• This unit supports security capabilities that

comply with the Bluetooth standard to provide a

Notes on WMA

secure connection when the Bluetooth wireless

• Files made with lossless compression are not

technology is used, but security may not be

playable.

• Files protected by copyright are not playable.

enough depending on the setting. Be careful when

communicating using Bluetooth wireless

technology.

About Bluetooth function

• We do not take any responsibility for the leakage

of information during Bluetooth communication.

What is Bluetooth technology?

• Connection with all Bluetooth devices cannot be

• Bluetooth wireless technology is a short-range

guaranteed.

wireless technology that enables wireless data

– A device featuring Bluetooth function is

communication between digital devices, such as a

required to conform to the Bluetooth standard

cellular phone and a headset. Bluetooth wireless

specified by Bluetooth SIG, and be

technology operates within a range of about 10 m

authenticated.

(about 33 feet). Connecting two devices is

– Even if the connected device conforms to the

common, but some devices can be connected to

above mentioned Bluetooth standard, some

multiple devices at the same time.

devices may not be connected or work correctly,

• You do not need to use a cable for connection

depending on the features or specifications of the

since Bluetooth technology is a wireless

device.

technology, neither is it necessary for the devices

– While talking on the phone hands free, noise

to face one another, such is the case with infrared

may occur, depending on the device or

technology. For example, you can use such a

communication environment.

device in a bag or pocket.

• Depending on the device to be connected, it may

• Bluetooth technology is an international standard

require some time to start communication.

supported by millions of companies all over the

world, and employed by various companies

continue to next page t

worldwide.

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