Varian

  • Cold Probe Preamp Testing

    Cryo-driver DC condition: 1.       Put system into tune mode. 2.       Remove cable from pre amp input J5331, and install a BNC “T” in place. 3.       Connect one end of “T” to voltmeter to measure Voltage, leave other end of “T” open. Measure voltage at J5331 (voltage should = 5.0V +/- .1V). 4.       Connect 50 ohm load on “T”, measure…

  • BBOD

    BBOD When VnmrJ starts and the status says “Initializing” or VnmrJ does not start the problem is some inconsistency in the network. VnmrJ adm will start even if VnmrJ does not, but will also come up with the black bar of death “Initializing”. In /etc/hosts, check that the hostname and the IP address are correct….

  • acq Debug

    The closest thing there is is the np checklist. The one other thing that may give you a clue as to the culprit if the problem is reproducible, is to run debug. You will need to set up mini com. In a terminal window, cd script filename start minicom In the VnmrJ command line, type…