Do you have a question about the A4Tech RFKB-23 and is the answer not in the manual?
Connect the receiver's keyboard cable to the computer's AT or PS/2 port.
Install iWheelWorks and iKeyWorksOffice drivers from the diskette for full functionality.
Set the frequency channel on the receiver and devices to 1 or 2 to prevent interference.
Each device has a unique ID code to prevent interference from other wireless devices.
Pair the wireless mouse with the receiver by establishing a connection and confirming the ID.
Change the mouse's ID code without altering the radio receiver for new pairings.
Manually establish communication between the keyboard receiver and keyboard by pressing buttons.