HP Jornada 680/680e Series Handheld PC Users Guide

Chapter 7  |  Optimizing your HP Jornada  |  135
Under normal circumstances, the main battery will provide
up to 7 hours of continuous use without recharging. Actual
battery life will vary depending on screen brightness, what
applications you use, and operating conditions. When the
main battery runs very low, your HP Jornada will shut
down, and you will be unable to restart it until you replace
the main battery, recharge the battery, or connect to AC
power.
When you replace the main battery, your new...

136  |  HP Jornada 680/680e User’s Guide
Ensure that the main battery is charged before you remove the backup battery. If the
main battery is low or you are not sure, connect to AC power before you remove the
backup battery.
To replace the backup battery
1. Using a small, Philips screwdriver, unscrew the
cover plate from the backup battery compartment.
Be careful not to misplace the small screw.
2. Remove the backup battery.
3. Insert a new 3-V CR2032 coin cell battery into the
backup battery compartment...

Chapter 7  |  Optimizing your HP Jornada  |  137
The power status icon appears in the taskbar only under certain conditions, such as when
battery power is low or when your HP Jornada is connected to external power.
Checking battery status
The power area in the Power control panel indicates whether
your HP Jornada is running on battery power or connected to
AC power, and displays the status of both the main and
backup batteries. In addition, the battery icon in the status
area of the taskbar indicates...

138  |  HP Jornada 680/680e User’s Guide
Setting auto-suspend
To conserve battery power, Windows CE will automatically
turn off or suspend your HP Jornada after a period of con-
tinuous idle time.
To set or shorten auto-suspend time
1. On the Start menu, point to Settings, tap Control
Panel, and then double-tap the Power icon.
–or–
Tap the HP settings hard icon, and then tap the
battery icon on the Settings tab.
2. On the Power Off tab, select Enable suspend
while on battery power.
3. In the box that...

Chapter 7  |  Optimizing your HP Jornada  |  139
Tap the HP settings hard icon, and then tap the
battery icon on the Settings tab.
2. On the Power On tab, select options for turning on
your HP Jornada.
Setting the dimming control
Dimming the backlight on your HP Jornada display can
conserve battery power. Use the Dimming Control tab to
set options for automatically dimming the backlight while on
battery power or while connected to AC power.
To set automatic dimming
1. On the Start menu, point to...

140  |  HP Jornada 680/680e User’s Guide
•Turn off sounds—Use the HP settings application to
mute the HP Jornada speaker, or use the Sound &
Volume control panel to turn on only the most necessary
system sounds.
•Avoid using PC Cards while on battery power—
Some PC Cards (especially PC Card modems) use consid-
erable power and will quickly drain your battery.
Use the AC adapter to plug your HP Jornada into external power whenever possible,
especially when connecting to a desktop PC, when using a PC Card...

Chapter 7  |  Optimizing your HP Jornada  |  141
•Display—The Display control panel allows you to
set the background image and the appearance of your
Windows CE desktop.
•Keyboard—The Keyboard control panel allows you to set
options for how quickly characters repeat when you hold
down a key on your HP Jornada keyboard.
•HP backup—Use the HP backup control panel to back
up or restore data when you are away from your desktop
PC. For more information, see the Backing up your
data section in chapter 5.
•HP...

142  |  HP Jornada 680/680e User’s Guide
•System—The System control panel displays information
about the hardware and software configuration and
enables you to adjust the allotment of program memory
and storage memory.
•Volume & Sounds—The Volume & Sounds control
panel allows you to set the speaker volume and turn on
and off the sounds associated with different system
events. You can save your options as a sound scheme,
just as you do with Windows 95.
•World Clock—The World Clock control panel allows...

Chapter 7  |  Optimizing your HP Jornada  |  143
To start the HP hot keys application
1. On the Start menu, point to Programs, point to
HP Utilities, and then tap HP hot keys.
When you start the HP hot keys application, the current hot
key assignments are displayed in a list on the Hot keys tab.
The default key assignments correspond to the program icons
printed on the HP hot keys.
To assign a program or file to a hot key or hard icon
1. Start the HP hot keys application.
2. On the Hot keys tab or the...

144  |  HP Jornada 680/680e User’s Guide
To open HP settings
1. On the Start menu, point to Programs, point to
HP Utilities, and then tap Settings.
–or–
Press the HP settings hard icon.
Setting brightness, contrast, and volume
The Settings tab includes slider controls for brightness,
contrast, and volume, and a check box that mutes all system
sounds. Move the sliders to adjust the settings to a comfort-
able level.
Tap the speaker icon to switch to the Volume & Sounds control panel.
Changing HP settings...