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  #1  
Old 02-28-2021, 02:53 PM
cojaken cojaken is offline
 
Join Date: Oct 2005
Location: Tulsa, OK
Posts: 76
Default GNS430W "OBS not available"

Upon booting my GNS430W, everything works on the test page, including the CDI displayed on my AFS5400T and control of the OBS value from the CRS knob on the EFIS.

But when the GNS430W is fully booted, while the CDI continues to work fine, I press its OBS button it gives me the message "OBS not available".

My preliminary conclusion is that the communication between the AFS5400 and the GNS430W is good, but there is something wrong inside the GNS430W or with its configuration.

Does that sound correct and if so, does anyone know which GNS430W configuration setting would cause this please?
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Colin
RV-9A, purchased, flying
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  #2  
Old 02-28-2021, 03:33 PM
bjdecker's Avatar
bjdecker bjdecker is offline
 
Join Date: Jun 2005
Location: Georgetown, TX
Posts: 639
Default

From the 430W Pilot's Guide...

OBS not available The OBS mode could not be
activated, because 1) no destination waypoint has been
selected, or 2) the GPS receiver cannot currently determine
its position.


How does this square with what you are seeing?
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Brian Decker
Retired Firmware Guy and Airplane Builder

2020 RV-14 QB -- Under construction - Tailcone & Empennage Complete.
2018 RV-7 QB -- Built, Flying
2007 RV-7 QB -- Built, Drowned, Resurrected and flying
1998 RV-8 QB -- Started, Sold
1986 Mooney 205SE
1980 Mooney 231

Aided and abetted building a number of other RV's.
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  #3  
Old 02-28-2021, 03:56 PM
cojaken cojaken is offline
 
Join Date: Oct 2005
Location: Tulsa, OK
Posts: 76
Default

Brian,

i will head back to the airport in the morning, pull the airplane out of the hangar, select a waypoint and try again.

Just started IFR training and learning to use the OBS button.

Thank you!
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Colin
RV-9A, purchased, flying

Last edited by cojaken : 03-04-2021 at 11:12 AM.
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  #4  
Old 03-04-2021, 11:11 AM
cojaken cojaken is offline
 
Join Date: Oct 2005
Location: Tulsa, OK
Posts: 76
Default

Brian,
The need for a GPS position and waypoint was indeed my issue. Duh!

Just started IFR training and learning to use the OBS button.

Thanks again.
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Colin
RV-9A, purchased, flying

Last edited by cojaken : 03-04-2021 at 11:14 AM.
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  #5  
Old 03-04-2021, 02:14 PM
bjdecker's Avatar
bjdecker bjdecker is offline
 
Join Date: Jun 2005
Location: Georgetown, TX
Posts: 639
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Quote:
Originally Posted by cojaken View Post
Brian,
The need for a GPS position and waypoint was indeed my issue. Duh!

Just started IFR training and learning to use the OBS button.

Thanks again.
Awesome! Good luck with the training. The instrument rating is, IMHO, the most useful to have...
__________________
Brian Decker
Retired Firmware Guy and Airplane Builder

2020 RV-14 QB -- Under construction - Tailcone & Empennage Complete.
2018 RV-7 QB -- Built, Flying
2007 RV-7 QB -- Built, Drowned, Resurrected and flying
1998 RV-8 QB -- Started, Sold
1986 Mooney 205SE
1980 Mooney 231

Aided and abetted building a number of other RV's.

Last edited by bjdecker : 03-05-2021 at 08:00 AM.
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