Operating Tips for Audio System

WARNING:
Do not adjust the audio control switches while driving the vehicle: Adjusting the audio while driving the vehicle is dangerous as it could distract your attention from the vehicle operation which could lead to a serious accident. Always adjust the audio while the vehicle is stopped.

Even if the audio control switches are equipped on the steering wheel, learn to use the switches without looking down at them so that you can keep your maximum attention on the road while driving the vehicle.

CAUTION:
For the purposes of safe driving, adjust the audio volume to a level that allows you to hear sounds outside of the vehicle including car horns and particularly emergency vehicle sirens.

NOTE

- To prevent the battery from being discharged, do not leave the audio system on for a long period of time when the engine is not running.

- If a cellular phone or CB radio is used in or near the vehicle, it could cause noise to occur from the audio system, however, this does not indicate that the system has been damaged.

Radio Reception

AM characteristics

AM signals bend around such things as


AM signals bend around such things as buildings or mountains and bounce off the ionosphere. Therefore, they can reach longer distances than FM signals. Because of this, two stations may sometimes be picked up on the same frequency at the same time.

FM characteristics

An FM broadcast range is usually about


An FM broadcast range is usually about 40―50 km (25―30 miles) from the source. Because of extra coding needed to break the sound into two channels, stereo FM has even less range than monaural (non-stereo) FM.

Signals from an FM transmitter are similar


Signals from an FM transmitter are similar to beams of light because they do not bend around corners, but they do reflect.

Unlike AM signals, FM signals cannot travel beyond the horizon. Therefore, FM stations cannot be received at the great distances possible with AM reception.

Atmospheric conditions can also affect FM reception. High humidity will cause poor reception. However, cloudy days may provide better reception than clear days.

Multipath noise

Since FM signals can be reflected by obstructions, it is possible to receive both the direct signal and the reflected signal at the same time. This causes a slight delay in reception and may be heard as a broken sound or a distortion. This problem may also be encountered when in close proximity to the transmitter.

Flutter/Skip noise


Flutter/Skip noise

Signals from an FM transmitter move in


Signals from an FM transmitter move in straight lines and become weak in valleys between tall buildings, mountains, and other obstacles. When a vehicle passes through such an area, the reception conditions may change suddenly, resulting in annoying noise.

Weak signal noise

In suburban areas, broadcast signals


In suburban areas, broadcast signals become weak because of distance from the transmitter. Reception in such fringe areas is characterized by sound breakup.

Strong signal noise

This occurs very close to a transmitter


This occurs very close to a transmitter tower. The broadcast signals are extremely strong, so the result is noise and sound breakup at the radio receiver.

Station drift noise

When a vehicle reaches the area of two


When a vehicle reaches the area of two strong stations broadcasting at similar frequencies, the original station may be temporarily lost and the second station picked up. At this time there will be some noise from this disturbance.

Operating Tips for CD Player/In- Dash CD Changer

Condensation phenomenon

Immediately after turning on the heater when the vehicle is cold, the CD or optical components (prism and lens) in the CD player/In-dash CD changer may become clouded with condensation. At this time, the CD will eject immediately when placed in the unit. A clouded CD can be corrected simply by wiping it with a soft cloth. Clouded optical components will clear naturally in about an hour. Wait for normal operation to return before attempting to use the unit.

Handling the CD player/In-dash CD changer

The following precautions should be


The following precautions should be observed.

- Do not spill any liquid on the audio system.

- Do not insert any objects, other than


- Do not insert any objects, other than CDs, into the slot.

- The CD revolves at high speed within


- The CD revolves at high speed within the unit. Defective (cracked or badly bent) CDs should never be used.

- Do not use non-conventional discs


- Do not use non-conventional discs such as heart-shaped, octagonal discs, etc. The disc may not eject resulting in a malfunction.

- If the memory portion of the CD is


- If the memory portion of the CD is transparent or translucent, do not use the disc.

- A new CD may have rough edges on


- A new CD may have rough edges on its inner and outer perimeters. If a disc with rough edges is used, proper setting will not be possible and the CD player/In-dash CD changer will not play the CD. In addition, the disc may not eject resulting in a malfunction.

Remove the rough edges in advance by using a ball-point pen or pencil as shown below. To remove the rough edges, rub the side of the pen or pencil against the inner and outer perimeter of the CD.

- When driving over uneven surfaces,


- When driving over uneven surfaces, the sound may jump.

- The CD player/In-dash CD changer has been designed to play CDs bearing the identification logo as shown. No other discs can be played.

- Use discs that have been legitimately


- Use discs that have been legitimately produced. If illegally-copied discs such as pirated discs are used, the system may not operate properly.

- Be sure never to touch the signal


- Be sure never to touch the signal surface when handling the CDs. Pick up a CD by grasping the outer edge or the edge of the hole and the outer edge.

- Do not stick paper or tape on the CD.

Avoid scratching the reverse side (the side without a label). The disc may not eject resulting in a malfunction.

- Dust, finger smudges, and dirt can decrease the amount of light reflected from the signal surface, thus affecting sound quality. If the CD should become soiled, gently wipe it with a soft cloth from the center of the CD to the edge.

- Do not use record sprays, antistatic agents, or household spray cleaners.

Volatile chemicals such as benzine and thinner can also damage the surface of the CD and must not be used. Anything that can damage, warp, or fog plastic should never be used to clean CDs.

- Insert discs one by one. If two discs are inserted at the same time, the system may not operate properly.

- The CD player/In-dash CD changer ejects the CD if the CD is inserted upside down. Also dirty and/or defective CDs may be ejected.

- An 8 cm (3 in) CD cannot be played in the CD player even if an 8 cm (3 in).

CD adapter is used.

An 8 cm (3 in) CD cannot be played in the In-dash CD changer even if an 8 cm (3 in) CD adapter is used.

- Do not insert cleaning discs in the CD player/In-dash CD changer.

- Do not insert any disc with a peel-off seal affixed to it.

- This unit may not be able to play certain CD-R/CD-RWs made using a computer or music CD recorder due to disc characteristics, scratches, smudges, dirt, etc., or due to dust or condensation on the lens inside the unit.

- Storing CDs in the vehicle exposed to direct sunlight or high temperature may damage the CD-R/CD-RWs, and make them unplayable.

- CD-R/CD-RWexceeding 700 MB cannot be played.

- This unit may not be able to play certain discs made using a computer due to the application (writing software) setting used. (For details, consult the store where the application was purchased.).

- It is possible that certain text data, such as titles, recorded on a CD-R/CD-RW may not be displayed when musical data (CD-DA) is playing.

- The period from when a CD-RWis inserted to when it begins playing is longer than a normal CD or CD-R.

- Completely read the instruction manual and cautions for CD-R/CD-RWs.

- Do not use discs with cellophane tape adhering, partially peeled off labels, or adhesive material exuding from the edges of the CD label. Also, do not use discs with a commercially-available CD-R label affixed. The disc may not eject resulting in a malfunction.

Operating tips for MP3

NOTE:
Supply of this product only conveys a license for private, non-commercial use and does not convey a license nor imply any right to use this product in any commercial (i.e. revenuegenerating).

real time broadcasting (terrestrial, satellite, cable and/or any other media), broadcasting/streaming via the Internet, intranets and/or other networks or in other electronic content distribution systems, such as pay-audio or audio-on-demand applications.

An independent license for such use is required. For details, please visit http://www.mp3licensing.com.

- This audio system handles MP3 files that have been recorded on CD-R/CDRW/ CD-ROMs. Discs that have been recorded using the following formats can be played:
- ISO 9660 level 1
- ISO 9660 level 2
- Joliet extended format - Romeo extended format
- This unit handles MP3 files conforming to the MP3 format containing both header frames and data frames.

- This unit can play multi-session recorded discs that have up to 40 sessions.

- This unit can play MP3s with sampling frequencies of 16/22.05/24/32/44.1/48 kHz.

- This unit can play MP3 files that have been recorded in bit rates of 8 kbps to 320 kbps. Nonetheless, to insure enjoyment of music with consistent sound quality, it is recommended to use discs that have been recorded at a bit rate of 128 kbps or more.

- If a disc has both music data (CD-DA).

and MP3 files, playback of the two file types differs depending on how the disc was recorded.

- Packet written discs cannot be played on this unit.

- This unit does not play CDs recorded using MP3i (MP3 interactive), MP3 PRO and RIFF MP3 formats.

About folders and files

- The order of hierarchy for MP3 files and folders during playback or other functions is from shallow to deep. The arrangement and playing order of a recorded disc containing MP3 files is as follows:
- File number
A numerical file number is assigned to each file in a folder in the order of hierarchy from shallow to deep.

- Folder number
A numerical folder number is assigned to each folder in the order of hierarchy from shallow to deep.

NOTE:
Folders and tracks (files) within the same hierarchy play in the order they were written to the disc depending on the write software.

Playback may not occur in the above


Playback may not occur in the above hierarchy depending on the audio unit.

- The folder order is automatically assigned and this order cannot be optionally set.

- Any folder without an MP3 file will be ignored. (It will be skipped and the folder number will not be displayed.).

- MP3 files not conforming to the MP3 format containing both header frames and data frames will be skipped and not played.

- This unit will play MP3 files that have up to eight levels. However, the more levels a disc has, the longer it will take to initially start playing. It is recommended to record discs with two levels or less.

- A single disc with up to 512 files can be played and a single folder with up to 255 files can be played.

- When naming an MP3 file, be sure to add an MP3 file extension (.mp3) after the file name.

- The maximum number of characters


- The maximum number of characters that can be used for file names is as follows. However, this unit will only display up to 32 characters, including the file extension (.mp3).

English one-byte characters (capitalized only) and underbar У_Ф are available.

CAUTION:
This unit can only play MP3 files that have an MP3 file extension (.mp3).

attached. Do not attach an MP3 file extension to any other type file as it could cause noise to be emitted or a malfunction in the unit.

About ID3 Tag display

- This unit can only display ID3 Tag album, track and artist names that have been input using Ver.1.0/1.1/2.2/2.3 formats. Any other data that may have been input cannot be displayed.

- This unit can only display English (including numerals) one-byte characters. Use only English (including numerals) one-byte characters when inputting ID3 tags. Two-byte characters and some special symbols cannot be displayed.

Specialized glossary

MP3

Abbreviation for УMPEG Audio Layer 3Ф.

A technical standard for audio compression as decided by an ISO (International Organization for Standardization) MPEG working group.

Use of MP3 allows for audio data to be compressed to approximately a tenth of the source data size.

ISO 9660

An international standard for logical formatting of CD-ROM files and folders.

It is divided into three separate levels based on differences in file naming procedures, data configuration and other characteristics.

Multi-session

A session is the complete amount of data recorded from the beginning to the end of a single period of CD-ROM, CD-R/CDRW data recording. Multi-session refers to the existence of data from two or more sessions on a single disc.

Sampling

Refers to the process of encoding analog audio data at regular intervals and converting it to digital data. The sampling rate refers to the number of times a sample is taken in one second and is expressed in Hz units. Increasing the sampling rate improves the sound quality but also increases the data size.

Bit rate

Refers to the volume of data per second, expressed in bps (bits per second).

Generally, the larger the number of the transfer bit rate when compressing an MP3 file, the more information regarding musical reproduction it carries, and therefore the better the sound quality.

Packet writing

A general term for the method, similar to that used for floppy discs or hard drives, of recording the required file in a single increment on a CD-R and similar.

ID3 Tag

ID3 tag is a method for storing information related to the music in an MP3 file. Information such as track, artist and album name can be stored. This content can be freely edited using ID3 editing function software.

VBR

Abbreviation for Variable Bit Rate. While CBR (Constant Bit Rate) is generally used, VBR varies the bit rate for audio compression according to compression conditions and this allows for compression with preference given to sound quality.

Operating Tips for WMA

WMA is short for Windows Media Audio and is the audio compression format used by Microsoft.

Audio data can be created and stored at a higher compression ratio than MP3.

* Microsoft and Windows Media are registered trademarks of Microsoft Corporation U.S. in the United States and other countries.

Playable WMA file specification

CD-R and CD-RWincluding WMA files can be played with this unit. Discs which conform to the following formats can be played.

Playable WMA files are as follows:

CAUTION:


CAUTION:
This unit plays files with the (.wma).

file extension as a WMA file. Do not use the WMA file extension for files other than WMA files. It may cause noise or a malfunction.

- In a WMA file, the track name, artist name and album name are recorded with data called УWMA-TagФ, and the information can be displayed.

- WMA files which do not comply with the specific standard may not be played correctly or its file and folder name may not be displayed correctly.

- The file extension may not be provided depending on the computer operating system, version, software, or settings.

In this case, add the file extension У.wmaФ to the end of the file name, and then write the disc.

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