> Thanks, I'd appreciate it!!----------------ATC is telling me I'm 200'
>lower that I actually am. I talked to one of my avionics buddies from work. He said "Don't mess with it!" He also said it has 2 adjustment screws on the back of it. One is a low altitude and the other is a high altitude. When you turn one you will have to adjust the other. To do that you would have to pump it up to an altitude make an adjustment, then pump it up to the higher altitude and make the other adjustment and back down again to see if any more adjustments are necessary. He said it usually take about 3 or 4 times to get it right on the money. Chris Theroux Gilbert, AZ