Comment karlsuss SNF 2009-10-21 15:11:46: Right side fine focus

gsosa at snf.stanford.edu gsosa at snf.stanford.edu
Wed Oct 21 15:11:47 PDT 2009


There is an intermittant problem where fine focus knobs do not work for top or bottom focus. Suspect that problem is in DCVU box. Opened the box and checked connectors. tried spraying freeze-it on some of the components to see if it is thermal related- focus still not working. Cycled power on DCVU box. Fine focus is working OK right now. Please report when fine focus is not working so that we can try and isolate and repair the problem. System OK to use.




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