HP 820 User Manual page 143

•
Turn off sounds. Use the HP Jornada settings applica-
tion to mute the HP Jornada speaker, or use the Sound
& Volume control panel to turn on only the most neces-
sary system sounds.
•
Set the screen to dim automatically after a short
time. Use the Power control panel to set the auto-
dimming feature.
•
Connect to AC power when using an external
monitor. Using an external monitor consumes
considerable power and can drain your battery.
•
Avoid using PC Cards while on battery power.
Some PC Cards (especially PC Card modems) use
considerable power and will quickly drain your battery.
•
Disconnect USB device when not in use. USB
devices use considerable power and will quickly drain
your battery. (See the Adding peripherals section in
this chapter.)
Chapter 7 Customizing your HP Jornada 139