1. After you installed the batteries, the "battery signal light" of the handle will be on for about 2 seconds.
Then the light is off.
2. Insert the wireless USB receiver into the computer.
Open Mach software, press the “RESET”button of the handle.
At this time the first light on the leftmost will be on.
At this moment, if the “RESET” of the Mach3 has not blinked,you can use the handle.
If the the “RESET” of the Mach3 has blinking, press the “RESET”button of the handle once again.
3. Please check whether the “PlugIns” folder of your MACH installation directory has the “ShuttlePro.dll”file.
if you have no "shuttlepro.dll" file, click here to download it.