[time-nuts] [OT] Agilent 54845A attenuator maintenance / repair?

[Gerhard Hoffmann]

Peter Loron wrote:
> When I look at input (a 19.44MHz xtal in this case), input #1 is good, except that the horizontal displacement of the trace flickers occasionally. On the other three inputs, the trace jumps around horizontally. Video of the display is here:       http://standingwave.org/54845a.m4v
>   
Unless the movie has been edited, you have forgotten to set the
trigger source to channel 2 after moving the cable.

regards, Gerhard