MGL Avionics User Forum

Posted: **Thu Dec 17, 2020 12:27 am**

Challenger system.
1.) When I tap "Menu", then "System Setup", then ""Standard System Selections" I get a red field with the words "Not available in flight".
Why is this happening? Nothing is powered-up or running except for the EFIS.
2.) In the Engine Setup menu, no matter what I do for TC scan numbering I can get 4 EGT bar graphs (that's OK) but only 2 CHT bars instead of the 4 I need. Is the problem that I haven't told the system how many cylinders the engine has? But that's in the Standard System Setup that I can't get into!
I need all the help I can get.
P-40 Pete

Posted: **Thu Dec 17, 2020 2:46 pm**

tigerpilot43 wrote: ↑Thu Dec 17, 2020 12:27 am Challenger system.
1.) When I tap "Menu", then "System Setup", then ""Standard System Selections" I get a red field with the words "Not available in flight".
Why is this happening? Nothing is powered-up or running except for the EFIS.
2.) In the Engine Setup menu, no matter what I do for TC scan numbering I can get 4 EGT bar graphs (that's OK) but only 2 CHT bars instead of the 4 I need. Is the problem that I haven't told the system how many cylinders the engine has? But that's in the Standard System Setup that I can't get into!
I need all the help I can get.
P-40 Pete

You have an active flight or are showing airspeed.Some functions are disabled if the EFIS thinks you are flying.
You have selected the Rotax 912 engine which uses two fixed NTC probes as CHT senders. These are not TC probes.

Posted: **Thu Dec 17, 2020 6:38 pm**

Thanks, I'll work on eliminating the NTC probe designations. Maybe there's something to do with the flight "autodetect". I'll put that on "manual" and see if it stops thinking I'm flying.
I'll keep everyone posted of progress.
P-40 Pete

Posted: **Sun Jan 10, 2021 11:52 pm**

All,
I was able to enter into the Standard Systems Selections after I de-selected "Demo mode" in the other menu selections. I now have 4 EGTs and 4 CHTs for my WV conversion. I hope this helps other solve their similar problem.
Peter

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