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Old Mar 14, 2013, 05:17 AM
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United States, CO, Silverthorne
Joined Feb 2012
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OSD Pro + Altimeter v4 showing negative values?

Just noticed that my altimeter shows negative values in the ET software, sometimes reaching -1200+ ft. Not sure how to calibrate this or if this an expected result? Also would I have to apply tape to it due to the sun hitting it possibly?
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Old Mar 15, 2013, 04:05 PM
billpa's Avatar
Joined Nov 2003
4,926 Posts
Hi, sorry to hear about this issue. What is almost certainly happening is that the system thinks you have an altimeter V3 connected.

The following should take care of it:
0) I'd recommend running our latest release software (10.44) from the support page of our website
1) connect the elogger + altimeter + osd to your PC
2) bring up the OSD Pro configuration page, and click OK
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Old Mar 16, 2013, 07:18 AM
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United States, CO, Silverthorne
Joined Feb 2012
113 Posts
I've tried a factory reset and it seems to be working but I'll know after I've flown. Does the sun hitting the altimeter have anything to do with the erroneous values?
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Old Mar 18, 2013, 12:04 PM
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Joined Nov 2003
4,926 Posts
Hi, hitting the sun would only have a slight effect. Placing a piece of tape or similar over the altimeter would be good, if the altimeter's sensor will be in direct sunlight.
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