) Please tum off your PC. 2) Plug the keyboard PS/2 connector on the receiver into the PS/2 keyboard port of the PC. Select the Keyboard Channel 1) The two-channel switch is located 2) Put the batteries into the battery case. Link the Wireless Keyboard with the Receiver Note: The linkage period is 15 seconds. Once press the receiver's Link Button, please complete the Keyboard linkage process within the mage period. 1) Please turn on your PC.