I believe you need to press the Autotune button on the top of the circular buttons. Press briefly to quick scan, hold it down for 5 seconds or so to do a full scan. Sadly mine does some channel searching, but does not clear up the old channels. Each time channels change, I seem to lose more of them. Slowly turning into a buzzing brick. Shame cos it has a good sound quality.
MartyG
October 2015
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