> 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

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