AUDIO AND VISUAL SYSTEM(for Radio Receiver Type) SYSTEM DESCRIPTION

  1. USB AUDIO SYSTEM FUNCTION OUTLINE

    1. The No. 2 stereo jack adapter assembly is equipped with a USB terminal. Connecting a USB device or "iPod" to the No. 2 stereo jack adapter assembly allows music files to be played. Not only is it possible to play music from a USB device with audio functions, it is also possible to play MP3 or WMA music files that are stored on a USB device. In addition, "iPod" control software is installed, allowing file selection from playlists and operation using shuffle mode.

      Tip:

      Operation through the controls of a USB device or "iPod" cannot be performed while it is connected.

    2. USB audio system compatible model

      1. USB device

        The following device formats can be used:

        Compatible USB device formats

        • USB communication format: USB 2.0 FS (12Mbps)

        • File format: FAT12/16/32 (Windows)

        • Class: Mass storage class

        MP3 and WMA files written to a USB device with any format other than those listed above may not play correctly, and their names and folder names may not be displayed correctly.

        Items related to standards and limitations are as follows:

        • Maximum directory hierarchy: 8 levels

        • Maximum number of folders in device: 999 (including the root folder)

        • Maximum number of files in device: 9999

        • Maximum number of files per folder: 255

      2. "iPod"

        "iPhone", "iPod", "iPod classic", "iPod nano" and "iPod touch" are trademarks of Apple Inc., registered in the U.S. and other countries.

        The following "iPhone", "iPod", "iPod classic", "iPod nano" and "iPod touch" devices can be used with this system.

        Made for

        • "iPod touch" (5th generation)

        • "iPod touch" (4th generation)

        • "iPod touch" (3rd generation)

        • "iPod touch" (2nd generation)

        • "iPod touch" (1st generation)

        • "iPod classic"

        • "iPod nano" (7th generation)

        • "iPod nano" (6th generation)

        • "iPod nano" (5th generation)

        • "iPod nano" (4th generation)

        • "iPod nano" (3rd generation)

        • "iPod nano" (2nd generation)

        • "iPod nano" (1st generation)

        • "iPhone 5"

        • "iPhone 4"

        • "iPhone 3GS"

        • "iPhone 3G"

        • "iPhone"

        Tip:

        Depending on differences between models or software versions etc., some models might be incompatible with this system.

  2. MP3/WMA OUTLINE

    1. Playable MP3 file standards

      Compatible standard

      MP3 (MPEG1 LAYER3, MPEG2 LSF LAYER3)

      Compatible sampling frequency

      • MPEG1 LAYER3: 32, 44.1, 48 (kHz)

      • MPEG2 LSF LAYER3: 16, 22.05, 24 (kHz)

      Compatible bit rate

      • MPEG1 LAYER3: 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 (kbps)

      • MPEG2 LSF LAYER3: 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160 (kbps)

      • Compatible with VBR

      Compatible channel mode

      Stereo, joint stereo, dual channel, monaural

    2. Playable WMA file standards

      Compatible standard

      WMA Ver. 7, 8, and 9

      Compatible sampling frequency

      32, 44.1, 48 (kHz)

      Compatible bit rate (Only compatible with 2-channel playback)

      • Ver. 7, 8: CBR48, 64, 80, 96, 128, 160, 192 (kbps)

      • Ver. 9: CBR32, 48, 64, 80, 96, 128, 160, 192, 256, 320 (kbps)

    3. ID3 tag and WMA tag

      1. Additional text information called an ID3 tag can be input to MP3 files. Information such as song titles and artist names can be stored.

        Tip:

        This player is compatible with ID3 tags of ID3 Ver. 1.0 and 1.1, and ID3 Ver. 2.2 and 2.3. (Number of characters complies with ID3 Ver. 1.0 and 1.1.)

      2. Additional text information called a WMA tag can be input to WMA files. Information such as song titles and artist names can be stored.

    4. Usable media

      1. Only USB devices can be used to play MP3/WMA files.

    5. Usable media format

      1. Standards and restrictions

        Maximum directory hierarchy

        8 levels

        Maximum number of characters for a folder name/file name

        32 characters

        Maximum number of folders

        192 (Including empty folders, the root folder and folders that do not contain MP3/WMA files)

        Maximum number of files on a USB memory device

        255 (Including non-MP3/WMA files)

    6. File names

      1. Only files with an extension of ".mp3" or ".wma" can be recognized and played as MP3 or WMA files.

      2. Save MP3 or WMA files with an extension of ".mp3" or ".wma".

        Note:

        If non-MP3 or non-WMA files are saved with an extension of ".mp3" or ".wma", those files may be wrongly recognized as MP3 or WMA files and played. A loud noise may occur and damage to the speaker may result.

  3. "Bluetooth" OUTLINE (w/ Microphone)

    E215384C07

    *1

    Radio Receiver Assembly

    (Built-in "Bluetooth" Receiver Antenna)

    -

    -

    *a

    Example

    *b

    Cellular Network

    *c

    Cellular Phone

    ("Bluetooth" Compatible Type)

    *d

    Portable Audio Player

    ("Bluetooth" Compatible Type)

    *e

    "Bluetooth" Wireless Connection

    -

    -

    1. "Bluetooth" is a trademark owned by Bluetooth SIG, Inc.

    2. "Bluetooth" is a wireless connection technology that uses the 2.4 GHz frequency band.

      Tip:

      The communication performance of "Bluetooth" may vary depending on obstructions or radio wave conditions between communication devices, electromagnetic radiation, communication device sensitivity or antenna capacity.

    3. Hands-free function

      1. The "Bluetooth" built-in radio receiver assembly and a "Bluetooth" compatible cellular phone*1 can be connected using a "Bluetooth" wireless connection. This enables the use of the hands-free function on the cellular phone even if the phone is in a pocket or bag. For this reason, it is not necessary to use a connector or cable to connect the cellular phone.

        *1: Some versions of "Bluetooth" compatible cellular phones may not function properly.

      2. The hands-free function uses a "Bluetooth" wireless connection. A "Bluetooth" wireless connection can be affected by uncertain elements, such as vehicle location, time of day, etc. Therefore, problems related to establishing connection may be caused temporarily by "Bluetooth" connection conditions. It is necessary to check the frequency of occurrence, connection conditions using another cellular phone, etc. when performing diagnosis.

      3. Compatible hands-free devices

        Required "Bluetooth" specifications

        Ver. 2.0 or higher (Ver. 3.0+EDR recommended)

        Compatible profiles

        • HFP (Hands Free Profile) Ver. 1.0 or higher (Ver. 1.6 or higher recommended)*1

        • OPP (Object Push Profile) Ver. 1.1 or higher*1

        • PBAP (Phone Book Access Profile) Ver. 1.0 or higher (Ver. 1.1 or higher recommended)*1

        Maximum number of hands-free devices that can be registered (including audio devices)

        5

        • *1: This profile is necessary when using the hands-free function.

    4. "Bluetooth" audio function

      1. The "Bluetooth" built-in radio receiver assembly and a "Bluetooth" compatible portable audio player*1 can be connected using a "Bluetooth" wireless connection. This enables files stored in the portable audio player to be heard from the vehicle speakers. In addition, operations such as play/stop can be performed directly from the radio receiver assembly.

        *1: Some versions of "Bluetooth" compatible audio players may not be able to be connected via the "Bluetooth" function, or music may play, but functions available using the radio receiver assembly may be limited.

      2. Compatible "Bluetooth" audio devices

        Required "Bluetooth" specifications

        Ver. 2.0 or higher (Ver. 3.0+EDR recommended)

        Compatible profiles

        • A2DP (Advanced Audio Distribution Profile) Ver. 1.0 or higher (Ver. 1.2 or higher recommended)

        • AVRCP (Audio/Video Remote Control Profile) Ver. 1.0 or higher (Ver. 1.4 or higher recommended)

        Maximum number of audio devices that can be registered (including hands-free devices)

        5

  4. RADIO DESCRIPTION

    1. Radio frequency band

      1. Radio broadcasts use the radio frequency bands shown in the table below.

        E177192E08

    2. Service area

      1. E177193C06

        *a

        FM (Stereo)

        *b

        FM (Monaural)

        *c

        AM

        The service areas of AM and FM broadcasts are vastly different. Sometimes an AM broadcast can be received very clearly but an FM stereo broadcast cannot. FM stereo has the smallest service area, and is prone to pick up static and other types of interference such as noise.

    3. Radio reception problems

      Tip:

      In addition to static, other problems such as "phasing", "multipath" and "fade out" exist. These problems are not caused by electrical noise, but by the radio signal propagation method itself.

      1. E177194C06

        *a

        Phasing

        *b

        Ionosphere

        Phasing

        AM broadcasts are susceptible to electrical interference and another kind of interference called phasing. Occurring only at night, phasing is the interference created when a vehicle receives 2 radio wave signals from the same transmitter. One signal is reflected off the ionosphere and the other signal is received directly from the transmitter.

      2. E177195C06

        *a

        Multipath

        Multipath

        Multipath is a type of interference created when a vehicle receives 2 radio wave signals from the same transmitter. One signal is reflected off buildings or mountains and the other signal is received directly from the transmitter.

      3. E177196C05

        *a

        Fade Out

        Fade out

        Fade out is caused by objects (buildings, mountains and other such large obstacles) that deflect part of a signal, resulting in a weaker signal when the object is between the transmitter and vehicle. High frequency radio waves, such as FM broadcasts, are easily deflected by obstructions. Low frequency radio waves, such as AM broadcasts, are less likely to be deflected.

    4. Noise problem

      Technicians must have a clear understanding about each customer's noise complaint. Use the following table to diagnose noise problems.

      Radio Frequency

      Noise Occurrence Condition

      Presumable Cause

      AM

      Noise occurs in a specific area

      Foreign noise

      Noise occurs when listening to an intermittent broadcast

      An identical program transmitted from multiple towers can cause noise where the signals overlap

      Noise occurs only at night

      Signal phasing

      FM

      Noise occurs while driving in a specific area

      Multipath resulting from a change in FM frequency

  5. DAB (DIGITAL AUDIO BROADCAST) FUNCTION OUTLINE (w/ DAB Function)

    1. DAB (Digital Audio Broadcast) is the standard for digital radio. Compared to conventional FM/AM broadcasting, DAB enables higher sound quality radio broadcasting with lower noise when reception conditions change. DAB has an FM-Link function that automatically and temporarily changes to the simultaneously broadcasted FM station when the DAB broadcasting reception level falls.

  6. AUTOMATIC SOUND LEVELIZER (ASL) FUNCTION OUTLINE

    1. The Automatic Sound Levelizer (ASL) function automatically adjusts the audio system volume level in order to compensate for increased vehicle noise (vehicle noise tends to increase as vehicle speed increases). The ASL adjusts the volume level based upon vehicle speed signals sent from the combination meter assembly.