4. Select OK.
AA. Type of time units
B. Number of time units
B
Creating an untimed event
An untimed event, such as a birthday or anniversary, does not occur at a particular time.
1.Press Calendar 
until you are in Day View.
2.Press Left 
and Right 
to go to the date of the event.
3.Make sure nothing is highlighted.
4.Enter a description for the event. A diamond appears next to the description of an untimed event.
Color-coding your schedule
Use
1.From Day View, select an event description or select an empty timeslot.
2.Select Details.
3.Select the Category pick list and select Edit Categories.
4.Do one of the following:
•To create a new category, select New and then enter a category name.
•To add a color to an existing category, select a category and select Edit.
The silent alarm for untimed events is defined by minutes, days, or hours before midnight of the date of the event.
When an alert occurs, the Alert screen displays all your pending alerts. Select an alert’s description to jump to the item, or check the box to clear that alert.