... in a normal condition for daily use . Operation of Computer system requirements:Work with Windows 98, ME, ... to USE? 1. First of all, the keyboard using a battery installed,Code of the keyboard Leds flash to ... press the keyboard keys F9 and F12, and the code indicator will light more than 10 seconds3 . Press ... the F9 + F12 will see code indicator lights. At the same time, put the ...