Gentex Mirror Compass Direction

Printed From: the12volt.com
Forum Name: Mobile Video, GPS, and Navigation
Forum Discription: Mobile Video Head Units, DVD Players, LCD and TFT Monitors, Navigation, GPS, PS2, PS3, XBox, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=34630
Printed Date: May 10, 2025 at 3:47 PM

Topic: Gentex Mirror Compass Direction

Posted By: mrtoledo
Subject: Gentex Mirror Compass Direction
Date Posted: June 26, 2004 at 2:53 PM

I just acuqired a Gentex Mirror with compass. GNTX-313. This is a OEM model from a Mazda (2003-2004). The part compass that detects direction is not attached to the mirror but in a loose circuit board connected by a wire to the mirror. I have no idea the proper way to to face the thing for proper operation. I attched a picture of the board. The board has two soldered on modules on it with the following printed on it

UB0349

17003*

MEXICO

posted_image

Replies:

Posted By: superbovine
Date Posted: June 27, 2004 at 4:29 PM

Well it depends on which way you're parked! It should make no difference, the compass shold work base don magnetic presence in relation to the poles. Just mount it anywhere, and usually calibrate by driving in 3 tight circles.

Posted By: mrtoledo
Date Posted: June 27, 2004 at 10:09 PM

After I finally get the compass to calibrate the North and South work properly but the East and West are reveresed. I have set the zone setting properly.

Posted By: auex
Date Posted: June 27, 2004 at 10:55 PM

Probably upside down.

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Posted By: superbovine
Date Posted: June 28, 2004 at 7:52 PM

yep, upside down... needs to be rightside up and as level as possible, but rotation doesn't matter... i was unclear on that first post.

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