Hitachi WT-1 User Guide - Page 12

StarBoard WT-1 Usage Procedures 2. Usage Procedures This section describes the basic procedures for using StarBoard. 2.1 How to use tablet This section describes how to use the tablet. NOTICE Use a computer USB port or the included AC adaptor to charge the tablet. Using other charging devices or AC adaptors for charging will charge the tablet under different conditions, which may pose a risk of overheating or fire. 2.1.1 Charging the battery in the tablet The tablet contains Li-ion battery. When the battery is drained, charge the battery as described below. Note that battery life is approximately 16 hours under normal usage. Charging the tablet takes approximately 2 hours. AC adaptor Mode Connect the tablet and the AC adaptor with the USB cable, and then plug the AC adaptor into an electrical outlet. PC Mode Turn on the PC. Connect the tablet to the PC with the USB cable. # When charging the tablet from a PC, unplug any other USB devices from the port before connecting the tablet. If other devices are connected, use another port or charge the tablet in AC adaptor mode. 2-1 English