JVC GR-D790U manual About Batteries, To restore the accuracy of the battery, Power indicator

			GETTING STARTED EN 13
Power			NOTES:
Charging The Battery Pack			● If the protective cap is attached to the battery
			pack, remove it first.
	POWER/CHARGE Lamp		● During charging, the camcorder cannot be
			operated.
Battery pack			● Charging is not possible if the wrong type of
			battery is used.
mount
			● When charging the battery pack for the first time
			or after a long storage period, the POWER/
			CHARGE lamp may not light. In this case,
Arrow	2		remove the battery pack from the camcorder,
			then try charging again.
	1		● If a fully charged battery pack is attached to the
			unit, POWER/CHARGE lamp will blink for
Battery
			approx. 10 seconds before it turns off.
pack			● If the battery operation time remains extremely
	BATT.		short even after having been fully charged, the
			battery is worn out and needs to be replaced.
Power Switch		To DC connector	Please purchase a new one.
			● Since the AC Adapter processes electricity
Lock			internally, it becomes warm during use. Be sure
			to use it only in well-ventilated areas.
Button
			● After 5 minutes have elapsed in Record-
			Standby mode with the cassette inserted and no
			operation is performed, the camcorder will
			automatically turn off its power supplied from the
		AC Adapter	AC adapter. In this case, the battery charge
	To AC outlet		starts if the battery is attached to the camcorder.

1 Set the Power Switch to “OFF”.		About Batteries
2 With the arrow on the battery pack pointing		DANGER! Do not attempt to take the batteries
upward, push the battery pack slightly against		apart, or expose them to flame or excessive
		heat, as it may cause a fire or explosion.
the battery pack mount 1.
		WARNING! Do not allow the battery or its
3 Slide up the battery pack until it locks in
		terminals to come in contact with metals, as
place 2.		this can result in a short circuit and possibly
4 Plug the AC Adapter into an AC outlet.
		start a fire.
5 Connect the AC Adapter to the camcorder.		To restore the accuracy of the battery
● The POWER/CHARGE lamp on the camcorder
		power indicator
blinks to indicate charging has started.
● When the POWER/CHARGE lamp goes out,		If the battery power indication differs from the
charging is finished. Unplug the AC Adapter		actual operating time, fully charge the battery,
from the AC outlet. Disconnect the AC Adapter		and then run it down. However this method
from the camcorder.		may not work if the battery was used for a long
To detach the battery pack		period of time under extremely high/low
		temperature condition or charged too many
Slide the battery pack downward while
		times.
pressing BATT. to detach it.
Battery pack	Charging time
BN-VF808U*	Approx. 1 hr. 30 min.
BN-VF815U	Approx. 2 hrs. 40 min.
BN-VF823U	Approx. 3 hrs. 50 min.
* Provided

GETTING STARTED