It’s not easy to find anything that does a channel by channel re-scan like TVs do. I gave up and did it manually - should be only once every few years, after all!
So yesterday my local TV transmitter moved one mux to a different frequency as part of the ‘700MHz clearance’ programme. In theory, if you have Network Discovery turned on for your network, and ‘Idle scan’ turned on for your tuner TVHeadend should automatically update and find the new transmissions. That didn’t happen for me. Here’s what to do:
Step 1: re-tune your TV, watching closely and noting down which channels it picks up. In my case, channel 35 was new and channel 55 had gone.
Step 2…