Yes!
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@Mike A. :
Yes. Just set up the triggers to trigger the other cam. Not hard to do in BI.
On the primary cam (i.e., your fixed cam), set up a group containing the cam(s) to move when that cam triggers.
Under the other cam(s) (your PTZ) make a preset for it to move to when triggered which gives the view you want.
On the Trigger tab for the other cam, under "When triggered" select "Move to preset" and select the preset you created.
Should move to the assigned preset when you execute the trigger for the primary cam. You can use the "Trigger Now" to test.
The "Break time" on the trigger tab controls how long the moved cams stay on the preset before moving back to where they were. To get the cams back you could use that based on some time. I think a setting of 0 turns that off. If you want to control the return on demand, then might be able to make some other cam the primary and do something similar with another manual trigger as above.