Starting Out with Your OmniBook Setting Up 2. Connect the ac adapter and start charging • Plug the power cord into the ac adapter, then into a grounded ac outlet. • Plug the connector from the ac adapter into the socket at the right-rear corner of the OmniBook. The Charging Light Color Meaning for Battery Off Not charging (no power connection). Green Charged 90% - 100%. Orange Charging. Red Bad battery or missing battery. C A U T I O N Use the ac adapter shipped with the OmniBook (HP part number F1044B or other Hewlett-Packard adapter intended for use with the OmniBook 800). Using any other adapter could damage the OmniBook and void your warranty.
Always plug the ac adapter into a grounded outlet. Also, the adapter plug has negative polarity —the inner contact is negative, and the outer is positive. This is different from many other adapters. 1-4