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Power indicator
In the bottom of the main menu you find the power indicator –
Battery: when using battery power you will see the battery icon,
indicating the approximate amount of power left on the battery.
FireWire: the FireWire icon will appear when a FireWire cable is
connected to the back; this means that P 65+ now is powered through
the cable even though the battery is still attached.
Forced Battery: though your back is connected to a computer, you can
select the power source to be the battery, this comes in handy, if you
are on location shooting to a laptop computer.
Please note, if you are selecting to only provide power from the battery,
and at the same time are using Zero Latency, the expected battery
lifetime per charge is significantly lower compared to Normal Latency.