2008 Lexus GS450h Using the audio system / LEXUS 2008 GS450H OWNER'S MANUAL (OM30A96U)

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3-3. Using the audio system
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Interior features
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December 13, 2007 10:50 am
Optimal use of the audio/video system
Press on the panel to display the audio/video control screen.
Operating the radio, cassette and audio CD
Operating the DVD video/audio and video CD
Adjust sound 
quality and balance
Adjust the DSP
Adjust screen ratio
Adjust sound

quality and balance
Adjust the DSP

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3-3. Using the audio system
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Adjusting sound quality and balanceTouch on the screen. Adjust the settings, referring to the
following table.
Once you have finished, touch .
*: The sound quality level is adjusted individually in each radio, cassette tape, CD or DVD mode.
STEP1
STEP2
Sound quality
modeDisplayLevelTo u c h
High-pitched tones*-5 to 5
or Mid-pitched
tones*-5 to 5
Low-pitched tones*-5 to 5
Front/rear
volume balanceF7 to R7 or
Left/right volume
balanceL7 to R7 or

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Interior features
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Setting DSPThe following features can be set as desired by touching on the
screen.
With CD player
With DVD player
■ Turning Automatic Sound Levelizer (ASL) ON or OFF
Touch or .
ASL automatically adjusts the volume and tone quality according to the
noise level as you drive your vehicle.

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■Changing the listening position (with CD player)
The speaker balance can be change d to produce the best sound for
each listening position.
To u c h .
The listening position changes as follows each time the switch is
touched.
■ Turning the surround ON or OFF (with DVD player)
Touch or .
DisplayListening position
Position best suited to the driver’s seat
Position best suited to the driver’s and front passen-
ger’s seat
Position best suited to the rear seats
Position best suited to all seats

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3-3. Using the audio system
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Interior features
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Setting the screen ratio mode (with DVD player)Touch on the screen. Touch one of the , or to
match screen ratio printed on the
DVD.
STEP1
STEP2
Screen ratio modeDetails
NORMALSuitable for 4:3 screen ratio
WIDE1Expand the Normal screen 
horizontally to fill the display.
WIDE2Suitable for 16:9 screen ratio

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Using the AUX adapter
■Operating portable audio devices connected to the audio system
The volume can be adjusted using the vehicle’s audio controls. All other adjust-
ments must be made on the portable audio device itself.
This adapter can be used to connect a portable audio device and listen to it
using the vehicle’s speakers.
Connect the portable audio
device.
Press .STEP1
STEP2

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3-3. Using the audio system
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Interior features
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Using the steering switches
Turning on the powerPress 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 sourcePress when the audio system is on. The audio source changes as fol-
lows each time the button is pressed. If a cassette tape or discs is not
inserted, that mode will be skipped.
FM1  FM2 cassette player  CD/DVD player 
 AUX AM  SAT1 SAT2 SAT3
Some audio features can be controlled using the steering switches.
Power on, select audio
source
Vo l u m e
Radio: Select radio stations
Cassette: Fast forward,
rewind and select-
ing tracks
CD: Select tracks, discs and file
DVD: Select tracks, discs and chapter

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Adjusting the volumePress “+” on to increase the vo lume and “-” to decrease the vol-
ume.
Hold down the button 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 scan for receivable stations, press and hold the switch until you hear
a beep.
Fast forwarding or rewinding the cassette
Press to select the cassette mode.
Press and hold  or  on until you hear a beep.
To stop fast forwarding or rewinding, press the same switch.
Selecting a track/file or chapter
Press to select the cassette mode, CD or DVD mode.
Press  or  on to select the desired track or chapter.
Cassette mode only: you can skips maximum 9 tracks.
STEP1
STEP2
STEP1
STEP2
STEP1
STEP2