the board it self should be a dark blue.
thats the manual for was 2.0
if it really is was and is in full auto you have 2.0.
hold the trigger then turn the gun on then let go of the trigger.
press the trigger till the led flashes green/orange. once its blinking that hold the trigger till it goes away let go and it should flash 3 times telling you its in nxl full auto. press it once and wait for the led to flash a mixture of colors really fast. onces that happens turn the gun off the turn the gun back on without holding the trigger and it will be in semi