Quote:
Originally Posted by Col
You have to ask yourself why so many others knew instantly what your problem was... Yes, we have all made the same mistake!
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+1

I did eventually discover that there is a little box in the bottom right of the screen. If you switch the Tx on with a module installed it says RF, if you have the display on it says DISP. That stopped me making the same mistake twice...
It's always good to learn from other people's mistakes as you won't live long enough to make them all yourself.
The FrSky TFR4 receiver will work in PPM or HRS. If you select HRS you must have a digital servo, otherwise you will find your nice little analogue servo on its way back for repair. Fortunately, someone else taught me that!
I run the FrSky TFR4 in HRS mode and cannot tell the difference between it and the FASST receiver. I've not tried PPM mode on either. HTH