3 - 9
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
"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.
Using the Power Control Panel
The Power control panel displays information about current battery status and allows you to set options that can conserve battery
power.
There is also a battery usage indicator displayed. This indicator represents the total cumulative time that the current main battery
pack has been in use. If the main battery is replaced with a new battery pack, the indicator will reset to 0:00. Each battery is
uniquely identified with a serial number that the Dolphin terminal uses to track cumulative time. Also, if the terminal is placed in
a HomeBase and is running on external power, the indicator will cease counting. When the terminal is removed from the
HomeBase, the timer will resume.
To open the Power control panel:
Touchscreen-equipped terminals:
1. Tap the Start button, tap Settings, and then tap Power. If the power plug icon is on the task bar, double-tap it.
2. Tap the Battery or Power Off tab.
3. Select your preferences. For more information, read the following paragraphs, or tap the Help? button in the upper right
corner of the screen.
4. Tap OK to save the changes and exit or tap the Close (X) button in the upper right corner to exit without saving the changes.
Non-touch screen terminals:
1. Use the cursor keys to navigate to the last program icon on the desktop.
2. Press the Tab and then the Enter key to open the Start menu.
3. Use the cursor keys to navigate to the Settings menu and then press Enter.
4. Press Enter again to select the Control Panel.
5. Use the Cursor keys to navigate to Power and then press Enter to open Power Properties.
6. Use the Cursor and Tab keys to navigate between the Battery and Power Off tabs and to select your preferences.
7. Press Enter to return to the Control Panel.
8. Press ALT to open the File menu and use the Cursor key to navigate to Close.
9. Press Enter to close the Control Panel.
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