Palm Treo 270 User Manual page 119

Preferences
(Day View)
Chapter 6
Start/End Time. Defines the start and end times for Date Book Plus
screens. If the time slots you select do not fit on one screen, you can
tap the scroll arrows
Event Duration. Defines the default duration for new events.
Week Start. Defines the first day of the week. This setting overrides the
System Preferences setting for all Date Book Plus views.
Initial View. Defines the view that appears when you start Date Book
Plus.
Button Views. Defines which views display when you repeatedly press
the Date Book Plus button. By default, all views appear.
Display Options. Opens the Display Options dialog box where you can
define the following options:
to scroll up and down.
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