There isn't much here other than the AFM procedure. I'll give this more thought when I get a chance.
Everything here is from the references shown below, with a few comments in an alternate color.
Both sidesticks are operating in active mode but are unlinked due to loss of communication between sidesticks.
Roll Trim Backdrive: Not available (Roll Trim remains available).
Each flight crew will not “feel” the sidestick inputs being made by the other the flight crew member.
Pilot recognition will rely on an unexpected airplane response and / or alerting by the Dual Stick Input (caution) CAS message.
Gulfstream GVII-G500 Airplane Flight Manual, Revision 4, August 29, 2019
Gulfstream GVII-G500 Production Aircraft Systems, Revision 3, July 15, 2019
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