Is it possible to control the on/off state of the 1 mW reference source via the HPIB?
I think the answer to this will be 'no', but I would be grateful for confirmation.
I think you can not switch power Ref remotely in the 436A. Power Ref Oscillator uses both +15V and -15V and this latter one is switched. Although the power meter comes with 022 option, I always saw in any HP-IB verification program that you must set ref power on manually.
On the other hand, if you see Figure 8-21 (Overall Block Diagram) on page 8-159 of the HP 436A Operating and Service Manual (July, 1984), it shows that Option 022 apparently allows remote selecting the Ref Osc -15V Pushbutton Switch Assy...but unfortunatelly I could not find further information about.
Hope this helps somehow.
Thanks. I have not found a way to control the unit over the HP-IB. I ended up doing the switching by hand :-(
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