2008 Lexus GS450h display

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3-3. Using the audio system
3
Interior features
GS_HV_U
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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3-3. Using the audio system
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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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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

306
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3-4. Using the hands-free system (for cellular phone)
Hands-free system (for cellular phone)
The hands-free system is a function that allows you to use your mobile
phone without touching it.
This system supports Bluetooth
® mobile phones. Bluetooth® is a wireless
data system that allows the mobile phone to wirelessly connect to the
hands-free system and make/receive calls.
Telephone switch
Sending/Receiving/“Tele-
phone” screen display (when
stopped)
End call
Microphone The person you are speaking to
can be heard from the driver’s
side speaker.
To use the hands-free system you must register your Bluetooth
®
phone in the system. ( P. 311)

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3-4. Using the hands-free system (for cellular phone)
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Interior features
GS_HV_U
December 13, 2007 10:51 am
Status displayYou can check such indicators as sig nal strength and battery charge on
the “Telephone” screen.
Connection status
Battery charge
Call area
Signal strength
IndicatorsConditions
Connection status
Blue: Good
Yellow: Bad
: Not connected
Battery charge: Full
: Low
Call area“Rm”: Roaming area
“Hm”: Home area
Signal strength
: Good
: Bad
: Not connected

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3-4. Using the hands-free system (for cellular phone)
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December 13, 2007 10:51 am
■When using the hands-free system
●The audio system and voice guidance are muted when making a call.
●If both parties speak at the same time, it may be difficult to hear.
●If the received call volume is overly loud, an echo may be heard.
●Try to face toward the microphone as much as possible when speaking.
●In the following circumstances it may be difficult to hear the other party.
• When driving on unsealed roads
• When driving at high speeds
• If a window is open
• If the air conditioning is blowing directly on the microphone
• If the air conditioning is set to high
■Conditions under which the system will not operate
●If using a mobile phone that does not support Bluetooth®.
●If the mobile phone is switched off.
●If you are outside service range.
●If the mobile phone is not connected.
●If the mobile phone’s battery is low.
■Bluetooth® antenna
The antenna is built into the display. If the mobile phone is behind the seat or in the
console box, or touching or covered by metal objects, connection status may dete-
riorate.

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3-4. Using the hands-free system (for cellular phone)
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Interior features
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■Battery charge/Signal status
This display may not correspond exactly with the mobile phone itself.
■About Bluetooth®
■Compatible models
Compatible with HFP (Hands Free Profile) Ver. 1.0 and OPP (Object Push Profile)
Ve r. 1 .1 .
If your cellular phone does not supp ort HFP, you cannot enter the Bluetooth
®
phone, and take OPP service individually.
■Certification for the hands-free system
This device complies with Part 15 of the FCC Rules and RSS-210. Operation is sub-
ject to the following two conditions: (1) This device may not cause harmful interfer-
ence, and (2) This device must accept any interference received, including
interference that may cause undesired operation.
Bluetooth is a registered trademark of 
Bluetooth SIG. Inc.
FCC ID: HYQBT0501A
IC ID: 1551A-BT0501A