Palm Treo 600 - Manual (Page 28)

26 :: Launching applications
Launching applications
Each of the three application buttons on the front of the Treo can be used to launch
two applications. To access a button’s primary application, simply press the button. To
access a button’s secondary application, press Option
, then press the application
button. The fourth button turns the screen on and off and controls the keyguard.
You can also customize the
buttons yourself; see
page 124 for details.
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