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HP8011A Pulse Gen w/ Burst Mode


 

Hello!
I have a strange problem with my HP8011A Pulse Gen. It has a push switch behind the attenuator push switches and this "extra" switch has a mechanical linkage arm that is loose. I cannot see where the bent plastic linkage arm goes and what it does.? Just flopping around.
I cannot find a pic or reference in the online manuals.
It looks like it may have attached to one of the attenuator settings. Any info out there? Seems to not really affect anything as the pulse gen works "fairly" normally.
Thanks
Jeff