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Note: Data and programs stored in FLASH remain safe even if the internal backup
battery fails. However, you must reset the real-time clock using the Windows® CE
Time and Date function.
Follow these guidelines to maximize the life of the Dolphin's backup battery:
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Keep a charged NiMH battery pack in the Dolphin. The internal battery will prematurely
discharge if there is not at least a partially charged battery in the terminal.
•
Put the Dolphin in the HomeBase when the terminal is not in use.
Main Battery Pack
The 3.6V, 2700 mAh Nickel-Metal-Hydride (NiMH) battery pack is the primary
power source for the Dolphin. Other NiMH batteries may be approved by HHP to
work with your Dolphin. Contact HHP for more information.
The 2700 mAh NiMH battery is designed to operate in a temperature range of -10
to 50°C (14 to 122°F). For maximum performance, charge the batteries between
10 and 35°C (50 and 95°F).
Managing Battery Power
Data and files saved on the Dolphin 7400/7450 terminal may be stored in RAM, so
it is important to maintain a continuous power supply to the terminal. When the
main battery pack becomes low, the Low Battery Charge icon will appear in the
notification tray at the bottom of the screen. The Critical icon will appear when the
battery is critically low. There is also a Low Battery icon that will appear when the
back-up battery is low.
Letting the back-up battery become fully discharged will cause the terminal to lose
all data in RAM. Therefore, you should keep a charged battery pack in the Dolphin
at all times to conserve the internal back-up battery. When you remove a battery
pack, insert another charged pack in the Dolphin. The internal battery will
prematurely discharge if there is not at least a partially charged battery in the
terminal.
A battery status indicator will display in the notification tray when the battery is low
or critically low. If there is no indicator, the battery is adequately charged.
If the main battery is low and the terminal is in sleep mode, pressing the ON/
SCAN button or the scan trigger will not wake up the Dolphin 7400/7450 terminal;
you must replace the discharged battery with a fully charged battery.
Setting Critical and Low Battery Points
The Dolphin 7400/7450 may be programmed to display warnings when the
battery reaches critical and low battery points. There are two entries defined in the
registry. The specific settings are:
[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Power]
"CriticalBatt"=dword:a
"LowBatt"=dword:19
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