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Managing Battery Power
Data and files saved on the Dolphin 9500/9550 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 top 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 backup battery is low.
Letting the backup 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 backup 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.
The battery status indicator displays 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 suspend mode, pressing the SCAN or Power button will not wake up the Dolphin
9500/9550 terminal; you must replace the discharged battery with a fully charged battery.
Setting Critical and Low Battery Points
The Dolphin 9500/9550 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
"CriticalBatt"=dword:a
This sets the Critical Battery point to 10 percent (a hex = 10 decimal). The critical battery is the point at which the customer is
warned that the battery charge is very low. This warning will be posted every 3 minutes until the situation is corrected.
"LowBatt"=dword:19
This sets the Low battery point to 25 percent (19 hex = 25 decimal). The low battery setting is the point at which the user is alerted
that the battery is low. The user is notified only once for a low battery.
These are the default values. Developers can set these parameters from 0 (no warning at all) to 99 (would nearly always warn).
The warnings do not appear when the terminal is on external power.
Checking Battery Power
The Battery Status screen displays information about current battery status and allows you to set options that can conserve
battery power.
To open the Battery Status screen:
1 Select Start>Settings>System>Power.
2 Select your preferences.
3 Tap OK to save the changes and exit.
Charging the Battery Pack
You can charge the Dolphin's main battery pack with one of the following methods:
• Place the battery pack in the Dolphin 9500/9550 terminal and then place the terminal in the terminal well of the HomeBase or
Mobile Base.
• Connect a charging/communication cable to the 17-pin connector and plug the cable into a power outlet.
• Place the battery pack in the Dolphin QuadCharger.
• Place the battery back in the Auxiliary Battery Well of the HomeBase.
Storing Batteries
To maintain optimal performance from batteries, follow these guidelines below when storing them:
• Avoid storing batteries outside the specified range of -4 to 104° F (-20 to 40°C) or in extremely high humidity.
• For prolonged storage, do not keep batteries stored in a charger that is connected to a power source.
Dolphin® 9500/9550 Mobile Computer User's Guide
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