Charging The Battery - GRAPHTEC gl820 User Manual

CHAPTER 2 Checks and Preparation

Charging the Battery

Expected time required for charging:
The battery pack is charged by mounting it in the GL820, attaching AC adapter to the GL820.
(1) Mount the battery pack in the GL820 (see the previous section for the mounting procedure).
(2) Turn on the power to the GL820. (Please see Section 2.4, "Connecting the Power Cable andTurning on
the Power").
(3) The CHARGE LED lights.
2−14
CHARGE LED
• GL820 is equipped with a temperature monitor function which starts automatic charging as soon as
it is cooled down. Therefore, depending on the internal temperature, charging may not be performed
immediately.
• When charging is attempted while the power is ON, charging may not be performed immediately even
if the temperature environment conforms to the specification. In such a case, set the Screen Saver
settings to ON or perform charging while the power is OFF.
• If input is being made directly from the DC power supply instead of the AC adapter, charging will not be
performed when the DC voltage is about 16 V or less.
• The operating temperature range during charge is from 15 to 35°C.
●
battery pack x 1: approx. 4 hours
●
battery pack x 2: approx. 8 hours