NEC MOBILEPRO 780 User Manual page 6

Locate the release lock on the bottom of the system.
2.
Slide the lock to the unlocked position in the direction
3.
of the arrow as indicated in the following figure.
Put the Lithium-Ion battery pack in the bay and slide
4.
the battery in the direction of the arrow, as indicated in
the following figure.
A – Battery release lock B – Lithium-Ion battery pack
Firmly press the battery until it is secure and clicks
5.
(locks) into place.
Slide the lock back to the locked position.
6.
Note:
locked position. The NEC MobilePro will not power
on when the lock is in the unlocked position.
7. Connect the AC adapter to begin charging the battery.
Refer to the next section, "Connecting the AC
Adapter," for connection information.
1-6 Getting Started
Inserting the battery pack
Be sure to slide the lock back to the