NEC 790 manual Battery Replacement, Removing and Inserting the Battery Pack

Battery Replacement

Note the following when replacing batteries:

!If the main battery becomes weak, the MobilePro automatically turns off. Recharge or replace the main battery immediately if the power goes off.

!The MobilePro has a built-in backup battery that maintains your data for several hours whenever the main battery is depleted or removed. The backup battery is recharged whenever the unit is connected to an AC power source.

!If you fail to replace a depleted main battery for an extended period of time and the back-up battery is weak, the contents of the MobilePro memory and all user data may be lost.

Removing and Inserting the Battery Pack

Should you notice the life of a charged battery pack is short, replace it with a new one. Follow these instructions to replace a battery pack.

1.Save your data, turn off unit power, and close the display panel. Disconnect any cables attached to the unit, such as the serial cable.

Note If you receive messages indicating that both the main battery and the backup battery are very low, immediately connect the AC adapter to charge both batteries.

You cannot use your MobilePro when the battery lock is in the unlocked position. The system displays an error message.

2.Have a Lithium-Ion battery pack available.

3.Remove the battery pack as follows:

!Locate the battery lock and release latch on the bottom of the system.

!Slide the lock to the unlocked position in the direction of the arrow as indicated in the following figure.

!Slide the release latch in the direction of its arrow, as indicated in the following figure, and hold it.

!Remove the battery from its bay.

2-12Introducing the NEC MobilePro