"Acquire" not illuminated. Why?

ELGATODOS

Furuno Fan
Turned on the system yesterday, radar is transmitting, but "Acquire, New point and Goto" can not be touched and are not illuminated. What is causing this?
Also on the DFF3D, there is no longer an option to save a waypoint on the screen, it shows up as an option then vanishes.

System is a TZ touch 2 15"
TZ touch 2 12"
Radar is DRS4DNXT

In the months of owning this system I have never had this problem. I can always use the Acquire target option.

The upper helm 12" can save waypoints in the DFF3D screens as normal, just the 15" is not.

Feels like a button has been pushed or something else easy to fix.

Thanks for the help.
Bryan
 

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What is the source of heading?

In order to use ARPA "acquire target" the radar needs heading. Likely the case for the DFF3D as well, in order to use an event on the DFF3D it requires heading.
 
Still makes no sense. went back the next morning and it worked fine. I'd think with no heading you would get the error message "heading lost" in red across the top? There was no message.

Furuno has some issues to work out with these units.

I'll be sending them all in for service as soon as the season is over.

Thanks
 
COG (Course Over Ground) is not heading data. Heading data comes from a Gyro, Flux gate compass, or Sat Compass.
 
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