I know some of you will laugh at the question I have about this prehistoric relic!  I am running one on an old Rogator and for the most part does what I need, (mostly back and forth on row crop and I just use the row finder) but today I have been spraying sprinkler corners using the light bar.  Works quite well but once in awhile I cannot set the B on an A-B line.  Just absolutely will not set.  Anybody remember way back, when you used to run one of these and what could be wrong?  If I continue to fool around with it long enough it will finally start working again.  I was trying to get some spraying done before another cold front and I was not amused.  Anybody?  Thanks!

(Old man at computer.jpg)

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