In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bennettdan wrote: Ibsen, You could have the sensor correct for that each time the vehicle starts up. The Map should read what the pressure is outside just before startup. Or do you want it correct as you are drive? I dont know if you would need it unless you traveled alot of long trips. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=3&m=192262#m194131 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)