Specifications

Turning off the LCD Display (Treo 680/700P Only)
On the Treo 680 and 700P phone models you can
turn off the LCD display to save on phone battery
power by going into the Prefs application from the
main application icon page.
Select “Power” option. Here you can turn down the
LCD brightness until it is almost off.
Note, you can turn this back on to change settings
at any time.