2.8 Using the Battery Pack (Option)
The B-517 battery is the only battery type that can be used with the GL450.
Use the battery pack for data back-up when the AC power supply is interrupted by a power failure or
brownout.
Expected operating time when using the battery pack (fully charged status):
• When the LCD is ON : Approx. 2 hours
• When the LCD is OFF: Approx. 3 hours
Mounting the Battery Pack
(1) Use a screwdriver to remove the battery pack cover from the bottom panel.
(2) Mount the battery pack in the direction shown by the arrow.
(3) Reattach the cover, and fasten the screw in place.
Battery pack
Checks and Preparation
2-9