1. cross hair can work at 1ms usb report rate, which is the fastest usb communication,
so there will be delay caused by it.
if you feel some trouble, please post all your settings for cross hair/ game/ mouse,
then we will try figuring out your problem.
2. actually, the original 1 to 500 means 0.1-50.0 in our calculating.
so 0.01-50.00 will bring your more accuracy, and nothing else.
more instructions can also be found in our zip package, which can be downloaded here:
http://www.reasnow.com/forum/index.php?topic=25.0