Note that an axis that appears off center during calibration may work properly later. This phenomena is mentioned in the knowledgebase on the http://www.chproducts.com web site.The manual, available on the http://www.chproducts.com web site, lists some troubleshoting procedures. I'm not sure how well the jcenter test program works in Windows XP with compatability mode, since the manual expresses some concern about it not working in Windowa 2000. Trying shouldn't hurt anything, it's a mater of the application being able to read the port through the operating system's hardware interface. The manual mentions something about some gameports not being compatable with high clock speed CPUs. I would think that sort of problem would affect the pitch and throttle axis as well.
If after calibration the roll axis remains at an extreme deflection the potentiometer wiper might not be making proper contact due to corroded or dirty contacts. I don't know what procedures are nessesary to access the inside of the houseing while preserving your ability to reassemble it though. Sometimes a troublesome potentiometer responds to a shot of contact cleaner, but sometimes a new potentiometer is neccessary.
If you use any type of cleaner or lubericant on the moving parts or the potentiometers check the label to make sure it's safe for application on plastic.
Robert
Near KORF
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