Product Specific  1) How are Crystal Engineering's products
accuracy rated?  2) What does fully temperature compensated
mean?  3) How can one of Crystal's "% of reading" digital
pressure gauge replace multiple "of scale" gauges?  4) What
units of measurement can be used with Crystal Engineering's
products?  5) What additional features can I add to Crystal
Engineering's products?  6) What is the uncertainty of Crystal
Engineering products?  7) Besides the certificate of calibration
that is provided when purchasing an XP2i, do you have other
documents that guarantee that the XP2i has the stated accuracy?
Application Specific  1) What constitutes Crystal Engineering's
calibration system?  2) How to update firmware on a flashing (or
data logger mode) gauge with XP2iUpdate?  3) How do I get an
XP2i to read an offset pressure?  For instance, I want a 3000
PSI gauge to read 14.7 PSI at zero gauge pressure?  4) What does
ERR 5 or ERR 6 mean?  5) How to evacuate the air out of the
GaugeCalXP to achieve better stabil