Palm Zire 21 Handbook page 122

Chapter 12 Using Security
Tap On power off.
4.
Tap OK.
5.
To set your handheld to lock at a preset time:
Tap the Home icon
1.
Tap the Security icon
2.
Tap the Auto Lock Handheld box, and then enter your password.
3.
Tap At a preset time, and then use the arrows to set the time.
4.
Tap OK.
5.
To set your handheld to lock after a period of inactivity:
Tap the Home icon
1.
Tap the Security icon
2.
Tap the Auto Lock Handheld box, and then enter your password.
3.
Tap After a preset delay.
4.
Enter the inactive period, then select Minute(s) or Hour(s) from the pick list.
5.
Tap OK.
6.
112
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Tap to select Minutes or Hours
Enter the amount of time