o2 HELP!!!

[MM'S GN]

I just hooked up my new scanmaster2 and my o2 readings are all over the place
jumping from 100 to 800 to 500 and so on, this cant be normal? This is happening idling and driving conditions please help!!!!

 

[Mr URL]

Thats totally normal. They will go pretty steady only at WOT and heavy throttle conditions.