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learning the tek 1240

Discussion in 'Electronic Equipment' started by [email protected], May 26, 2007.

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  1. Guest

    i picked up a used tek 1241 logic analyzer. i followed
    one of the "demonstration" setups in the three ring ops
    binder and was able to see data and a pattern. with
    this i made the assumption the machine is working (it
    was sold as working.)

    in an effort to get acquainted with it, i connected it
    to the parallel port of a pc running a program that rolls
    the lower three bits of the port. after several nights
    of fiddling with it, i can't seem to get a display of the
    port activity. the port is running pretty slow so that i
    can see the leds connected to it. i've dropped the
    timebase down to 500ms. i suspect i have something
    wrong in the trigger and grouping.

    does anyone have a "cheat-sheet" or some other set of
    notes that might help me get off high-center?
     
  2. Max65

    Max65 Guest

    Hi there,
    I've the tek 1241 too, to start the acquisition you must config the
    pods.
    First of all go to the "Config" -> "Memory Config" menu and assign the
    time base, the level type and the input polarity to the pod you use.
    Then give the labels name to your pod's inputs using the "Config"-
    Go to the "trigger" menu and clear all the trigger events using the
    "Delete Level" touch screen button until all the events are cleared.
    Press the start button.
    A new screen shows you "Running" and "waiting for trigger".
    Press the "trigger" menu button.
    After few seconds of "Processing data" message, you should have the
    trigger screen back to the CRT.
    Now go to the "Data" menu and select the page that shows the inputs
    you used to monitor the signals.
    This is the easiest way to acquire some asynchronus signals, but not
    the best of course!

    I also have the manuals (user and service with schematics) but they
    are about 60Mbytes in size!
    If you know an easy way to send them to you, I'll be glad to give them
    to you.
    Have a nice day.
    Massimo
     
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