Palm Treo 700WX User Manual page 306

To manually turn on Keyguard when your smart device screen is on, press
Option and Power/End
Using Auto-Keyguard and Touchscreen Lockout
Auto-Keyguard lets you automatically lock the keyboard after a period of
inactivity.
1.
Press Start
2.
On the Personal tab, select Keyguard
3.
Set any of the following options:
Auto-Keyguard: Sets the period of inactivity
that passes before the keyboard
automatically locks or before the auto-
keyguard feature is disabled.
Disable touchscreen: Indicates whether the
screen's touch-sensitive feature is enabled
during a call.
4.
Press OK
Did You
Know?
290
.
and select Settings.
.
If you're using a headset or hands-free device and your device is in a
pocket or bag, you can manually turn on Keyguard during a call to prevent
accidental key presses. Press Option and Power/End to manually turn on
Keyguard .
.
Section 6B: Customizing Your Smart Device