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58 | HP Jornada 540 Series User
’
s Guide
Managing power
Because the data and files you save on your HP Jornada are stored in RAM,
maintaining a continuous power supply to the HP Jornada at all times is
extremely important. If your HP Jornada runs out of power, all information you
have entered is lost. Although the Windows for Pocket PC operating system
and programs cannot be erased, any custom settings and programs you have
added are erased if you lose power.
Under typical usage conditions, your HP Jornada should operate for
approximately 8 hours between charges. Some functions, such as listening to
music or using CompactFlash cards, use considerable power and may reduce
this time significantly.
You should respond as soon as possible when your HP Jornada displays a
dialog box warning of low power. If you turn off the device, your HP Jornada
will retain data for up to 7 days. If you continue to use your HP Jornada until
power reaches a critical low condition, a “Battery very low” message appears,
and the device shuts down automatically. You will be unable to use your
Pocket PC until you connect to external power for charging. Data will be
retained for 5 days.
Because your HP Jornada is charged automatically whenever it is connected
to AC power, simply connect the HP Jornada to AC power to recharge when
the power is low. While your HP Jornada is connected to AC power, the
Notification button/LED indicates the charging status:
• Amber indicates that the battery is charging (connected to AC power).
• Green indicates that the battery is fully charged.
To check the remaining power
1. On the Start menu, tap HP settings. The remaining power is
displayed on a status bar at the bottom of the Settings tab.
Under certain conditions, the power status icon is displayed on the Command
bar in the Today screen. Simply tap the power status icon to open the Power
control panel.
Follow these tips to ensure the longest use of your HP Jornada between
charges:
• Use the Power control panel to set your HP Jornada to turn off after a
short period of inactivity.
• Use the Backlight control panel to set the backlight to dim after a short
period of inactivity.