INFICON 2020ComboPRO Portable Photoionization Detector - Manual (Page 47)

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To charge the battery pack:
1. Plug the AC adapter into the jack located on the bottom of the
2020ComboPRO.
2. Plug the AC adapter into an AC outlet. If you are using the European
AC adapter, ensure the correct plug is installed on the line cord . If it is
not correct for the wall outlet in your area, then it must be replaced.
3 . The Charge LED above the front display on the 2020ComboPRO
indicates the charge state. Red indicates the battery is being charged.
Green indicates the battery is fully charged and ready for use.
It is normal for a fully charged battery to indicate it is charging (red
light) when first plugged in. The Charge LED will turn green within a
few minutes to indicate the battery is fully charged.
4. When the battery pack is fully charged, remove the AC adapter first from
the wall outlet and then from the 2020ComboPRO.
Figure 4. Battery Pack Removal and Replacement
Charging a fully discharged battery pack will take approximately 4 hours.
Optionally you can use the off line charger (Part No. MX350019) to charge the
battery pack when not installed in the 2020ComboPRO.