Mailing List flyrotary@lancaironline.net Message #11609
From: John Slade <sladerj@bellsouth.net>
Subject: EM2 Calibration
Date: Tue, 21 Sep 2004 08:11:15 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
A question and comment on the EM2. I'll ask it here in case someone else knows the answer and/or has comments on the comment:
 
Altitude. In understand that the altitude readout isn't adjusted for current pressure, but still. Mine reads 687 ft when I'm actually at 14 ft. Is there a way to adjust it so that it's al least close?
 
Warnings. The system sends an intermittent ground to flash a warning light. If you're using a voice system or a LED that flashes anyway you'll need a steady ground. So, instead of saying "John, Check the engine monitor" my voice system says "John...John...John..."
 
Apparently Tracy can change the program to allow this. I plan to get it changed when I have the data labels for some of the spare inputs changed. Hopefully this is just a chip upgrade I can do without sending the unit back. 
 
I also notice that the offending item on the display flashes about once every 30 seconds. I find that this is too long. If you miss the first flash you have 30 seconds to wait until you know what's wrong. I'd rather see this flash set at every 3 seconds or so.
 
Anyone else have any tips as I head into this calibration stuff?
John (No. The engine doesn't run right yet... but I think I know why)
 
 
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