Altimeters (PPl training)

[pipercherokee]

Heyy thanks everyone!! all makes sense now! Think I am trying to think too deeply into things and was out to find out the whole inner workings of the thing!! when really all I needed to understand was what you guys have so kindly put! Thank you to everyone who has took time out to reply so greatly appreciated! Was really banging my head on the wall with this one!!