Thanks for the info..

The RLS instrument panel position shown on the right side panel, was replaced by a 3-switch panel called the Antenna panel: with 1 switch for extend/retract all comm antennas, 1 switch for extend/retract Localizer antennas, and 1 UHF Top/Auto/Bottom (which antenna to use) switch. On the ICS panel, there was also an audio switch labeled “RLS” that was deactivated and had no function.

I think he is wrong on this detail.. The mentioned Antenna panel has been installed way before the RLS came (here visible on the YF-117 panel)…
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and even the latest cockpit layouts with CDNU show it right on the same spot.. (right under the Position 28). I don’t think it has ever moved..

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Looks like the de-installed RLS panels were simply replaced by a cover..