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Dolphin® 7850 Mobile Computer
User’s Guide
Rev C
4/30/2008
3 - 11
Battery Power
The intelligent battery technology built into the terminal features two types of battery power:
• The main battery pack installed under the battery door on the back panel.
• The backup battery located inside the terminal.
Both batteries work together to prevent data loss when the terminal is used over long periods of time.
Main Battery Pack
Use only the Li-ion battery packs provided by Honeywell. Use of any battery not sold/manufactured by
Honeywell may result in damage not covered by the warranty.
The 7.4V, 14.1 watt hour li-ion battery pack is the primary power source for the Dolphin terminal and the
internal backup battery. The li-ion battery is designed to operate in a temperature range of -10 to 50°C
(14 to 122°F).
Installing the Main Battery Pack
Press Blue + Backlight keys to put the terminal
in Suspend Mode (see page 3-15) before
installing a new battery.
Mechanical Switch
The battery well area contains a mechanical
switch located under the battery door. When
the battery door is securely fastened, it
presses on the mechanical switch allowing
the terminal to power on and operate
normally.
When the battery door is removed, it no
longer presses on the mechanical switch,
which automatically suspends terminal
operation. The terminal will not resume
normal operations again until the battery
door is re-fastened.
The mechanical switch works as described only when the terminal is running on battery power. If the
terminal is running on AC power (via Dolphin charging peripheral), the mechanical switch will not suspend
the terminal when the battery door is open.
If you open the battery door and remove the battery while the terminal is connected to AC power, the
terminal will continue operating. However, if you remove AC power while the battery door is open and the
battery is removed, the terminal will shut down without suspending and you will lose RAM data. To avoid
data loss when removing AC power, always either suspend the terminal or install the battery prior to
removing AC power.
!
Mechanical Switch