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rjquillin(at)cox.net
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 Posted: Mon Jul 11, 2011 6:20 pm Post subject: Help with Gns 480 Century HSI |
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Many comments on the Yahoo 480 group regarding poor seating/mating in the mounting tube.
Make sure it is secure, fully engaged. Even 1/32" makes a difference.
Ron Q.
At 15:17 7/4/2011, you wrote:
[quote]I have a CNX-80 - GNS480 witht he following other units. Century 1000 HSI, MX20, SL15.
I had the GNS 480 software upgrade, since then I am not getting any CDI function on the HSI. the VDI etc, still works, but not CDI.
I have checked my setup and all seems OK to me - but I may be missing something.
Also, Altitude does not display on MX 20 - have an SL70 remote transponder - output from GNS 480 is showing correct altitude.
Any GNS 480 experts, help would be appreciated. Avionics shop where I had the upgrade done is not homebuilder friendly.
Dave Burnham
RV6A - N64FN - flying since 2006
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Dave Burnham
Joined: 04 Jul 2011
Posts: 6
Location: Huntsville, AL
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| Posted: Tue Jul 12, 2011 4:55 am Post subject: Help with Gns 480 Century HSI |
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Thanks Dan,
I heard the same concerns from other users - I removed the unit, my tray was set back about 1/32 from the panel. Moved it forward and reseated the unit and tightenned it well, I heard that they had designed a new tray and some have replaced the tray?
All is working well again. I know what you mean about user friendly, but once you get it sorted out it is great.
Regards,
Dave
On Mon, Jul 11, 2011 at 9:49 PM, Dan Bergeron <dan.pat.b(at)gmail.com (dan.pat.b(at)gmail.com)> wrote:
[quote]Dave:I've been flying my RV-7A for nearly two years, I have a Garmin 480 as my primary radio - probably one of the last ones to come off the production line - took me a long time to get comfortable with it - not terribly user friendly - have finally done it - it's a great radio - amazing capability. A couple of months ago I kept losing GPS function - I'd be in the middle of an approach or in cruise - suddenly - nothing - my long time mentor suggested sliding the radio partially out of the rack and reseating it - push firmly on the four corners of the case - then snug it down real good with the allen wrench - haven't had a problem since - I carry the allen wrench in the side pocket by my left elbow - every couple of weeks I snug the set screw down.
Just a suggestion -
Dan Bergeron
RV-7A - N307TB
247 hours since first flight on 8/4/09
On Mon, Jul 11, 2011 at 10:16 PM, Ron Quillin <rjquillin(at)cox.net (rjquillin(at)cox.net)> wrote:
| Quote: | Many comments on the Yahoo 480 group regarding poor seating/mating in the mounting tube.
Make sure it is secure, fully engaged. Even 1/32" makes a difference.
Ron Q.
At 15:17 7/4/2011, you wrote:
| Quote: | I have a CNX-80 - GNS480 witht he following other units. Century 1000 HSI, MX20, SL15.
I had the GNS 480 software upgrade, since then I am not getting any CDI function on the HSI. the VDI etc, still works, but not CDI.
I have checked my setup and all seems OK to me - but I may be missing something.
Also, Altitude does not display on MX 20 - have an SL70 remote transponder - output from GNS 480 is showing correct altitude.
Any GNS 480 experts, help would be appreciated. Avionics shop where I had the upgrade done is not homebuilder friendly.
Dave Burnham
RV6A - N64FN - flying since 2006
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