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Marconi 2019 second degree protection code?

Discussion in 'Electronic Basics' started by Albert van Mil, Oct 10, 2004.

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  1. I'm repairing a Marconi 2019 Signal Generator and I want
    to re-calibrate the thing. For this I need the code to
    overcome the "second degree protection" (top-secret ;) in
    this apparatus. Does anyone know this key-sequence?
  2. dB

    dB Guest

    Quoting from the technical manual:

    "Press SECOND FUNCT, 0, then in the rotation given first MOD OSC
    then ON/OFF and finally CARRIER FREQ keys holding down all three
    keys for a minimum of 5 seconds.
    Follow this by pressing SECOND FUNCT and the numeral 7, 8, 9 or '.'
    as required."
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