Using the Battery Pack
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A charged battery pack lets you run FIVA without connecting the AC adaptor. The following describes various power management functions that help to make battery pack operation more efficient.
•See page 29 for information about attaching and removing the battery pack. See page 31 for information about charging the battery pack.
•The battery pack naturally discharges even when you are not using it. To avoid problems due to premature rundown of the battery pack, charge it just before you plan to use it or charge the battery pack as you use it.
Checking the Current Charge Level of the Battery Pack
The battery pack discharges naturally even when you are not using it. Make sure you charge the battery pack fully before trying to use it to power FIVA.
You can use any of the following three methods to check the current charge level of the battery pack.
Checking the Power Indicator Lamp Color
The 
indicator lamp flashes amber if the battery charge level drops while FIVA is operating under battery power only. When this happens, connect the AC adaptor and charge the battery. If you continue to use FIVA under the low power condition, FIVA will automatically enter the Hibernation Mode when the battery charge level drops more. See page 37.
Important 
•You can specify the trigger level at which the low battery warning appears. See page 82 for details.
•Turning on power while battery power is below the trigger level for low battery warning causes the warning message to appear on the display (Battery power is below XX%.) and power to turn off automatically. When this happens, connect the AC adaptor to power FIVA.
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