JVC Everio GZ-VX775 Basic User's Manual page 5

Open the lever on the strap lock
Open the battery cover.
(Base)
Attach the battery pack.
Align the terminal of the
battery pack with this unit.
Close the battery cover.
Adjust the length of the belt
Connect the DC connector and
plug in the power.
The battery pack is not charged at the time of
purchase.
To detach the battery pack, perform the above
steps in reverse order.
If it is difficult to detach the battery pack, open the
SD card cover. (p.6)
To attach any other battery packs besides the
supplied one, open the SD card cover before
attaching. (p.6)
Close the lever
Charging Lamp
Charging in progress:
Blinks
Charging finished:
Goes out