User's Manual Part 1

2 Getting Started
26 GeoExplorer 2008 Series User Guide
The Power LED beside the Power key on the handheld indicates the battery power or
charging status, as shown below:
Note – During normal charging, the battery may become hotter than the maximum
temperature allowed (40 °C or 104 °F). If this happens, charging is automatically
suspended until the battery cools and then charging automatically restarts. During this
time the battery icon in the title bar shows , to indicate that the handheld is running on
external power. It may take about one hour for the battery to cool.
Avoid keeping the battery at full charge at high temperatures. For more information,
see Storage, page 19.
Note – The life of the battery can be significantly shortened if power is constantly supplied
to the handheld. To avoid this issue, connect the handheld to an external power source
only when the battery requries charging. Once fully charged, disconnect the external power
source and allow the battery to discharge through normal use.
Checking the level of battery power
To check the level of battery power remaining at any time,
tap the battery icon in the title bar of the Today
screen. The Power control appears, displaying the Battery
tab.
When the handheld battery is recharging from an
external power source, the battery icon in the Today
screen changes to . You can still tap the icon to view
the level of battery power.
Low battery indicators
When the battery level reaches:
20%, the battery icon in the title bar of the Today
screen changes to .
15%, the Power LED on the handheld flashes red and the Main battery low
message appears on the handheld.
5%, the Main battery very low message appears on the handheld.
Trimble recommends that you recharge the battery when any of these indicators
appear.
Power source LED state Handheld/battery state
Battery power Off Off (in Suspend mode or turned off).
Off On and battery level is good.
Flashing red On and battery is low (less than 15%).
External power Solid orange Charging.
Flashing
orange
Charging fault - for example, there is a problem with the
battery, or the temperature of the battery has exceeded
the acceptable temperature range.
Solid green Charging is complete.