[time-nuts] VFD Idea for HP Equipment

[Marek Dorsic]

Hi,

    when operating in remote mode, you can use the ":DISP:ENABLE OFF“ command through GP-IB to turn the display off 
before starting the measurement loop.

     .marek

> On 8 Feb 2021, at 18:38, Chris Hastreiter <chastreiter at gmail.com> wrote:
> 
> Hi,
> 
> Here's a simple idea in case anyone else is doing long duration testing
> with HP equipment from the Vacuum Fluorescent generation before they began
> including a display-off hotkey.
> 
> This particular example is a 53131A counter which is also before they began
> putting a separate microcontroller in the front panel assembly for display
> operation.  Pin 21 in the ribbon cable is the +38V anode voltage for the
> display, and pins 22 and 24 are the filament circuit.  An auxiliary switch
> interrupts pins 21 and 24 to turn off the VFD and allow the device to
> continue to operate in remote mode.
> 
> Chris
> <VFD2.jpg><VFD1.jpg>_______________________________________________
> time-nuts mailing list -- time-nuts at lists.febo.com
> To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com
> and follow the instructions there.