Connecting the WT-868TX:
Turn the camera and WT-868TX off.
Remove the remote socket cover from the camera.
Insert the shutter release plug into the remote socket of camera.
Insert the input plug into the ACC socket of WT-868TX.
Turn the camera and WT-868TX on.
Now you can start program the function and enjoy the timer trigger.
Disconnecting the WT-868TX:
Turn the camera and WT-868TX off.
Disconnect the shutter release plug from the camera body.
Replace the remote socket cover.
Disconnect the input plug from the WT-868TX.