Press NumLK, and the Num Lock key is enabled (The lock indicator light 1 is on).
Press the keys (j,k,l.etc) printed with numbers and symbols on a side of the keyboard, the corresponding numbers and symbols (1,2,3.etc) will be input.
Press Caps Lock, the Caps Lock key is enabled.
After the Caps Lock key is enabled, uppercase Roman letters will be input.
If lowercase letters are needed to be inputted when Caps Lock key is enabled, please press shift and letter you would like to input simultaneously.
Methods vary from different software.
For detailed information, please refer to software online help.
Press Fn and ScrLk at the same time, the Scroll Lock key is enabled (the lock indicator light printed with up and down arrow is on).
After the Scroll Lock key is enabled, the direction keys on the keyboard can be used to control the rolling bar of active windows.