2007 Lexus GS350 display

257
3-3. Using the audio system
3
Interior features
Setting DSP
The following features can be set as desired by touching on the
screen.
■ Turning Automatic Sound Levelizer (ASL) ON or OFF
To u c h or .
ASL automatically adjusts the volume and tone quality according to the
noise level as you drive your vehicle.
■ Changing the listening position (vehicles with CD player only)
The speaker balance can be change d to pr
oduce the best sound for
each listening position.
To u c h .
The listening position changes as follo
ws each time the switch is
touched.
With CD playerWith DVD player
DisplayListening position
Position best suited to the driver's seat
Position best suited to th e driver's and front passen-
ger’s seat

258
3-3. Using the audio system
■Turning the surround ON or OFF (with DVD player only)
To u c h or .
Setting the screen ratio mode (with DVD player only)
To u c h on the screen.
Touch one of the ,
or to
match screen ratio printed on the
DV
D.
DisplayListening position
Position best suited to the rear seats
Position best suited to all seats
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

262
3-4. Using the hands-free system
Hands-free system
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 hear
d from the driver’s
side speaker.
To use the hands-free system you must register your Bluetooth
®
phone in the system. ( P. 2 6 8 )

263
3-4. Using the hands-free system
3
Interior features
Status display
You can check such indicators as signal 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

264
3-4. Using the hands-free system
■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 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 the 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 phon e is not connected.
●If the mobile phone's battery is low.
■Bluetooth® antenna
The antenna is built into the display. If the m
obile phone is behind the seat or in the
console box, or touching or covered by metal objects, connection status may dete -
riorate.
■Battery charge/Signal status
This display may not correspond exact ly w
ith the mobile phone itself.

267
3-4. Using the hands-free system
3
Interior features
Using the Bluetooth® phone
Telephone screen
To display the screen shown above, press , then touch on the
“Information” screen.
Bluetooth® Connection Status
Display Last 
Person Called
Make A Call
Character Deletion

269
3-4. Using the hands-free system
3
Interior features
Input the passkey displayed on
screen into your phone.
If the message “Bluetooth* con-
nection successful” is displayed,
r
egistration is complete.
If the message “Bluetooth* con-
nection failed. Please check the
“P
asskey” and the settings of the
telephone” is displayed, start again
from the beginning.
Bluetooth® phone connection
There are two connection methods av ailable—automatic and manual.
Press .
To u c h on the “Information” screen.
To u c h on the “Telephone” screen.
Choose one of the following methods.
Automatic connection
If the engine switch is in the “ACC”
or “IG-ON” mode, the system will
automatically connect to the 
Bluetooth* phone. Touching auto -
matic connection will turn it ON/
OFF
.
Manual connection
If automatic connection fails or is
turned OFF, connection must be
made manually.
If the message “Bluetooth* con -
nection successful” is displayed,
connection is complete.
*: Bluetooth is a registered trade -
mark of Bluetooth SIG. Inc.
STEP6
STEP1
STEP2
STEP3
STEP4

276
3-4. Using the hands-free system
■Made/Received call history list
●If you make a call to or receive a call from a number registered in the phone
book, the name is displayed in the call history.
●If you make multiple calls to the same number, only the last call made is dis-
played in the made calls history.
● is displayed to the left of phone number for unanswered calls.
●Calls where the number is unavailable, such as public telephones, are not stored
in the call history.
■When driving
●The functions “Dialing”, “Dialing from the phone book”, and “Dialing from his -
tory” are unavailable.
●If you press the on the steering wheel, the “Speed Dial” screen is displayed.
At this time phone numbers will not be disp
layed. Choose from the names dis-
played to make a call.
■International calls
You may not be able to make international c
alls, depending on the mobile phone in
use.
■To display the voice recognition command list
After pressing the talk switch,
press . If the “Operating
Guide” screen is displaying, press
.
Press .STEP1
STEP2