4.7.2 System status ....................................................................................................................................................... 59
4.7.3 Encoder information ............................................................................................................................................ 59
4.7.4 Photocell information ........................................................................................................................................... 60
4.7.5 USB Status .......................................................................................................................................................... 600
4.7.6 Battery Indicator ................................................................................................................................................ 600
4.7.7 WI-FI Status ........................................................................................................................................................ 611
4.7.8 Log out ............................................................................................................................................................... 611
4.8 Input Method Introduction ........................................................................................................................................ 611
Appendix 1: Terms and Definition ..................................................................................................... .65