Everything here is from the references shown below, with a few comments in an alternate color.
The landing gear control panel position indications take precedence over that displayed on the flight control synoptic page.
In the case of a total DCN failure, or dual RDC 15 and RDC 17 failure, all landing gear indications will be unavailable, normal control of landing gear is still available.
(1) Normal Landing . . . Conduct
LANDING GEAR Safety Pins . . . Install
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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