Poker 2 keyboard manual

I have a pretty old Poker 2 mechanical keyboard, model name PKX-6100. There are 4 small physical switches on the back of this keyboard. Obviously, I don't have the original manual that comes with the keyboard anymore, so here's the information I found online:

• https://adprice.fedorapeople.org/poker2_manual.pdf
• https://deskthority.net/wiki/KBC_Poker_II