3Com TRGpro - Manual (Page 14)

Page 6 Introduction to Your TRGpro™ Handheld Computer
Using the backlight
If you have difficulty seeing the information on your handheld
computer, you can use the backlight to illuminate your screen.
To activate the backlight:
■ Press the power button and hold it down for about two seconds.
Release the button when the backlight turns on.
Tip: In addition, you can assign the full-screen pen stroke to
activate the backlight. See “Pen preferences” in Chapter 7 for
more information.
To turn off the backlight:
■ Press and hold the power button for about two seconds. The
backlight also turns off automatically (after a period of inactivity)
with the Auto-off feature. See “General preferences” in Chapter 7
for more information.
Scroll
button Displays text and other information that extends
beyond the area of the TRGpro handheld computer
screen. Pressing the lower half of the scroll button
scrolls down to view information below the viewing
area, and pressing the upper half of the button scrolls
up to view the information above the viewing area.
Power
button Turns your handheld computer on or off and controls
the backlight feature. If your unit is turned off,
pressing the power button turns the unit on and
returns you to the last screen you viewed.
If your handheld computer is turned on, pressing the
power button turns the unit off. Holding the power
button down for about two seconds turns the
backlight on or off.