In combination with FW ch.dfu (edy555_0.1.1.9):
I discovered today that with NanoVNA Saver v0.0.10 you may NOT set the LCD of the Nano to TDR. Otherwise, the screens in Saver 10 are not correct.
Well, if you want to measure TDR, you can only do that on the Nano LCD itself. If the NanoVNA is NOT set to TDR (transform), the screens in Saver 10 are correct. Thanks anyway for the good software Rune.