Samsung SCH-I770HAAVZW - Manual (Page 30)

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Note: Use the dual desktop charger/cradle or the travel adapter to charge the battery provided with your
handset.
Checking Battery Charge
Keeping track of the battery’s charge is important. If the battery level becomes too
low, your phone automatically shuts down and you could lose important data.
ᮣ For a quick check of your phone’s battery level, tap the battery icon
to display the main battery’s remaining battery power.
Battery Capacity
When the battery is low, a warning window displays and the backlight turns off.
Note: Long backlight settings, simultaneous use of Wi-Fi and Bluetooth, searching for service, vibrate mode
and browser use affect the battery’s talk and standby times.
There is also an internal backup battery that saves all phone settings if the regular
battery is discharged. The internal battery maintains data for approximately four
hours. This internal backup battery needs an initial charge of 24 hours.
Perform ActiveSync operations or a backup utility frequently to avoid loosing any
information in case the battery is fully discharged. For more information see
"Synchronization" on page 139.
Battery tab - Charge state
The Battery Tab allows you to view the current power state of the Li-Ion battery. To
perform a battery check using the Start menu:
1. From the Today screen, tap Start .
2. Tap Settings . Tap the System tab at the bottom of the screen.
3. Tap Power. The Power screen is displayed with the Battery tab active.