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68 Section 2A: Moving Around on Your Treo Pro Smartphone
Opening and Closing Applications
Using the Buttons
The front of the Treo Pro smartphone has four buttons that you can use to open applications:
Start , Calendar , OK , and Messaging .
Each of the buttons has two functions. To use a button’s primary function, simply press the
button. To use a button’s secondary function, press and hold Option while you press the
button. Pressing Phone/Talk or any of the buttons (except OK ) automatically wakes up
your screen. See “Waking Up the Screen and Turning It Off” on page 33.
Using the Start Menu
You can access all the applications on your Treo Pro smartphone through the Start menu:
1. Press Start to open the Start menu.
2. Use the 5-way navigator to highlight the application you want to use. (To view additional
applications, select Programs.)
Button Primary Function Secondary Function
Start menu + File Explorer
Calendar + Notes
OK (close window) + Task Manager
Messaging + Tasks
Note
If an application appears in the Start menu, it does not appear in Programs.
For example, you see File Explorer when you press Start, but you do not
see
File Explorer when you select Programs.