Lexus GS430 User Manual page 268

TOUCH SCREEN
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Touch the desired number to input the key.
To hang up the phone:
Touch " " or push
This cannot be operated while you are driving.
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of the telephone button.
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If the continuous tone signal is registered in a phone
book, this screen appears. (If not registered, "Send" and
"Exit" is not displayed.)
Confirm the number displayed on the screen and touch
"Send" switch. The number to the marked sign will be
sent.
When you touch "Exit", this function will be finished and normal
tone screen appears.
To hang up the phone:
Touch " " or push of the telephone button.
The continuous tone signal is the marked sign (p or w) and the
number following telephone number. (ex. 056133p0123w#1
When you call the number registered in phone book and input
a code number and the like to operate an answering machine
or use a telephone service in bank, you can do this operation.
:
)