Author Topic: Tektronix 434  (Read 234 times)

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Offline Majorbob

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Tektronix 434
« on: May 07, 2018, 07:24:25 pm »
Hi all, I have an old Tektronix 434 that is behaving oddly. I have a display but it's not drawing in the horizontal at all. It doesn't matter where the time/div switch is unless it's in the micro second range where I don't even get a dot. In the picture is the calibration mode which should have a selection of horizontal lines top and bottom. First picture is the display, second picture is the settings.

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