2 Managing your applications Security
4 Tap After a preset delay.
Tap here.
5 Set the period of inactivity by entering the length of time and selecting a time unit.
Tap to select the unit of time - Minute(s) or Hour(s)
Enter the number of time units here.
6 Tap OK.
Locking your handheld manually
You can turn off and lock your handheld manually using the Turn Off & Lock option. A password is required before using this option so set first a password as described in "To assign a password" on page 22 before performing the procedures below.
To turn off and lock your handheld manually:
1In Applications Launcher, tap the Security icon 
.
2Tap the Lock & Turn Off button.
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