3Com TRGpro Handbook page 16

Locating back panel components
Stylus
CompactFlash
expansion slot
door
Stylus
CompactFlash
expansion slot
door
IR port
Reset button
Contrast
control
Page 8
IR port
Slides in and out of the slot in the back panel of
the handheld computer. To use the stylus,
remove it from the slot and hold it as you would
a pen or pencil.
Covers the CompactFlash expansion slot. See the
discussion on CompactFlash devices in Chapter 8
for more information.
Uses infrared technology to transmit data to and
receive data from other Palm Computing
platform devices. See "Beaming information" in
Chapter 5 for more information.
Under normal use, you should not have to use the
reset button. See Appendix A for information
about when and how to use the reset button.
Adjusts the appearance of the screen for the
clearest screen display. Depending on the
lighting conditions or temperature of the
environment where you use your handheld
computer, you may need to adjust the contrast
control setting.
Introduction to Your TRGpro™ Handheld Computer
Reset
button
Contrast
control
Battery
door
Serial (COM)
port door