After the failed range flight, I spoke to a couple of people, took everything home and started again.
This time I followed the binding instructions to the letter, on both sets of instructions, and adjusted the aerial wires positions.
Out the back on the green, I put the wonky wot 4 foamie on a chair, and distanced myself from the model with the transmitter.
At 50yds (thats old money), I was still getting full control over the radio.
As 30meters (new money) was the suggested test distance, my guess is, it will be OK to repeat the flight test, with a reasonable ch