If you have registered your unit to have GODMODE then the following will explain how to activate it on the XM203.

Press and hold the "UP" key for 2 seconds until you hear a 2-second beep and the LED flashes red.

Release and you have now activated GODMODE.

Each time the "Down" key is pressed, the XM203 will fire.

To disable GODMODE, tap the "UP" key.

YoutTube Video Here