USB Lexus GS450h 2010 Using The Audio System / LEXUS 2010 GS450H (OM30C81U) User Guide

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3-3. Using the audio system
3
Interior features
GS_HV_U (OM30C81U)
January 28, 2010 1:22 pm
■USB memory
●Compatible devices
USB memory that can be used for MP3 and WMA playback.
●Compatible device formats
The following device formats can be used:
• USB communication formats: USB2.0 FS (12 mbps)
• File formats: FAT16/32 (Windows)
• Correspondence class: Mass storage class
MP3 and WMA files written in any format other than those listed above may not
play correctly, and their file names and folder names may not be displayed cor-
rectly.
Items related to standards and limitations are as follows:
• Maximum directory hierarchy: 8 levels
• Maximum number of folders in a device: 999 (including the root)
• Maximum number of files in a device: 65025
• Maximum number of files per folder: 255
●MP3 and WMA files
MP3 (MPEG Audio LAYER 3) is a standard audio compression format.
Files can be compressed to approximately 1 /10 of their original size using MP3
compression.
WMA (Windows Media
® Audio) is a Microsoft audio compression format.
This format compresses audio data to a size smaller than that of the MP3 for-
mat.
There is a limit to the MP3 and WMA file standards that can be used and to the
media/formats on which the files are recorded.

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●MP3 and WMA playback
• When a device containing MP3 or WMA files is connected, all files in the
USB memory device are checked. Once the file check is finished, the first
MP3 or WMA file is played. To make the file check finish more quickly, we
recommend that you do not include any files other than MP3 or WMA files
or create any unnecessary folders.
• When the USB device is connected and the audio source is changed to USB
memory mode, the USB device will start playing the first file in the first folder.
If the same device is removed and reinserted (and the contents have not been
changed), the USB device will resume play from the same point in which it
was last used.
●Extensions
If the file extensions .mp3 and .wma are used for files other than MP3 and
WMA files, they will be mistakenly recognized and played as MP3 and WMA
files. This may result in large amounts of interference and damage to the speak-
ers.
●Playback
• To play MP3 files with steady sound quality, we recommend a fixed bit rate of
at least 128 kbps and a sampling frequency of 44.1 kHz.
• There is a wide variety of freeware and other encoding software for MP3 and
WMA files on the market, and depending on the status of the encoding and
the file format, poor sound quality or noise at the start of playback may result.
In some cases, playback may not be possible at all.
• Microsoft, Windows, and Windows Media are registered trademarks of
Microsoft Corporation in the U.S.A. and other countries.

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CAUTION
■While driving
Do not connect an iPod
® or USB memory or operate the controls.
NOTICE
■To prevent damage to the player or its terminal
●Do not leave your portable player in the vehicle. The temperature inside of the
vehicle may become high, resulting in damage to the player.
●Do not push down on or apply unnecessary pressure to the player while it is con-
nected.
●Do not insert foreign objects into the port.

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Using the steering switches
Some audio features can be controlled using the steering switches.
Power on, select audio
source
Vo l u m e
Radio mode: Selects a radio
station
CD mode: Selects a
track, file
(MP3 and
WMA) and
disc
DVD mode
*: Selects a
track, chapter
and disc
Bluetooth
® audio mode: 
Selects a track
and album
iPod
® mode: Selects a song
USB memory mode: 
Selects a file
and folder
*: DVD player only

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Interior features
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Turning on the power
Press when the audio system is off.
The audio system can be turned off by holding the switch down for 1 second
or more.
Changing the audio source
Press when the audio system is on. The audio source changes as fol-
lows each time the switch is pressed. If a mode cannot be used, it will be
skipped.
FM (1, 2) SAT (1, 2, 3) CD/DVD player Bluetooth
® audio
AUX iPod
®/USB memory AM
Adjusting the volume
Press “+” on to increase the volume and “-” to decrease the vol-
ume.
Hold down the switch to continue increasing or decreasing the volume.
Selecting a radio station
Press to select the radio mode.
Press or  on to select a radio station.
To seek stations, press and hold the switch until you hear a beep.
Selecting a track/file or chapter
Press to select CD/DVD, Bluetooth
® audio, iPod® or USB
memory mode.
Press  or  on to select the desired track/file or
chapter.
STEP1
STEP2
STEP1
STEP2

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Selecting a disc in the CD or DVD player
Press to select the CD or DVD mode.
Press and hold  or  on until you hear a beep.
Selecting an album
Press to select Bluetooth
® audio mode.
Press and hold  or  on until you hear a beep.
Selecting a folder
Press to select CD (only when MP3/WMA disc is in use) or
USB memory mode.
Press and hold  or  on until you hear a beep.
■Canceling automatic seek station
Push the same switch.
CAUTION
■To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel.
STEP1
STEP2
STEP1
STEP2
STEP1
STEP2

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Alphabetical index
Alphabetical index
A/C ............................................................259
ABS.............................................................. 214
ACCESSORY mode ............................151
Active stabilizer suspension 
system...................................................... 214
Adaptive variable 
suspension system ............................. 213
Air conditioning system
Air conditioning filter .........................491
Automatic air conditioning 
system .................................................. 259
Airbags
Airbag operating conditions........... 110
Airbag precautions for 
your child................................................114
Airbag warning light ........................535
Curtain shield airbag 
precautions ........................................... 117
General airbag precautions ............114
Locations of airbags...........................107
Modification and disposal of 
airbags .................................................... 118
Proper driving posture .................... 105
Side airbag precautions .....................114
Side and curtain shield airbags 
operating conditions ....................... 110
SRS airbags ............................................107Alarm ............................................................ 101
Antenna .................................................... 279
Anti-lock brake system ........................214
Armrest ......................................................415
Ashtrays..................................................... 410
Audio input................................................341
Audio system
Antenna................................................... 279
Audio input............................................. 341
AUX port ................................................ 341
Bluetooth
® audio ............................... 321
CD player/changer ......................... 282
DVD information ................................ 310
DVD player/changer ......................293
DVD video/audio..............................293
iPod
®.......................................................329
MP3/WMA disc............................... 289
Optimal use ......................................... 339
Portable music player ....................... 341
Radio ........................................................ 273
Steering switches ...............................342
USB memory .......................................329
Video CD ............................................. 307
Automatic headlight leveling 
system ...................................................... 173
Automatic light control system.......... 171
AUX port...................................................341
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