Then you are not holding the button in long enough: I have 2.0F on my test machine, connected to a factory tuner on the bench in front of me. It has just tuned up from 88.3MHz to 92.7, followed by 101.7, all with remote presses. All are strong channels, and NO, there are no presets stored - I have to use this rig for tuner build tests.

What am I doing wrong?
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One of the few remaining Mk1 owners... #00015