GRAPHTEC midi LOGGER GL220 - Charging the Battery

2-13
CHAPTER 2 Checks and Preparation
Charging the Battery
Expected time required for charging: ● Approx. 4 hours
The battery pack is charged by mounting it in the GL220, attaching AC adapter to the GL220.
(1) Mount the battery pack in the GL220 (see the previous section for the mounting procedure).
(2) Turn on the power to the GL220. (Please see Section 2.4, “Connecting the Power Cable and Turning on
the Power”).
(3) The CHARGE LED lights.
•TheGL220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,theDCvoltage
must be at least 16V.
•Theoperatingtemperaturerangeduringchargeisfrom15to35°C.
CHARGE LED