The only reason I was asking is because when I enable FS_THR_ENABLE (value 4) get random “Radio Failsafe” and recover within msec. so I was looking for a parameter to increase the timeout like FS_GCS_TIMEOUT and that should eliminate what I believe is a falls/positive or ultra fast recovery.
When this happens the quad and the TX are on the bench in Disarm and I am watching the Messages on the MP.
Check that FS_THR_VALUE is low enough, it should be about 30 below the value of RC3_MIN (if RC channel 3 is your throttle)
Some transmitters and receivers can also appear to lose signal when they are too close together.
Otherwise it can be the firmware detecting that there is missing frames - you might need to do some targeted searches regarding your receiver and flight controller.
I need to lower the FS_THR_VALUE; changed it to 950 (RC3_IN is the throttle @ 988).
I use ELRS 3.2.1 with Radiomaster TX16S (100 mW) and Radiomaster RP3 200RX (Telemetry 100 mW).
The FC is a H743-Slim V3 running MatekH743-bdshot 4.3.6.
I will watch it with the lowered FS_THR_VALUE for a couple of hours. Then I will lower the Tx, one at a time, to the minimum value 25 mW and see the affects. I will put a sticker “25 mW!!!” on the Tx just in case lol.
I am sorry for the stupid question, will the logs show the possible missing frames and how do I search for it? Log Review? Text Log and word search?
I will let you know what I find for future reference.
I am done testing for tonight but changing the FS_THR_VALUE by -35 for a few hours have not produced any Radio Failsafe messages. Previous value was only -15. I will do some more testing tomorrow before any flights.
btw having the previous mentioned TX and RX within 30cm at full power for both transmitters (TX and RX/Telemetry) had no effect for Radio Failsafes with this equipment but is got to know in the troubleshooting tool bag!