- 59 / 83 -LANGEREMV-TechnikDE-01728 Bannewitzmail@langer-emv.dewww.langer-emv.de FLS 106 IC set / FLS 106 PCB setInstalling the GND 25 Ground Plane for IC Measurements16.3Installing the GND 25 Holder16.3.1First insert and position two T-nuts into the desired T-slot (Figure 66).Then place the GND 25 holder on the T-slot table above the T-nuts (Figure 67). Insert thecountersunk screws M6 (hexagon socket 4 mm, DIN 7991) into the openings of the GND 25 holderone after the other and fasten them with the T-nuts.Figure 66: Placing a T-nut in the desired T-slotFigure 67: Fastening the GND 25 holderThe anti-rotation element can be fastened in one of the four outer holes of the GND 25 holder asrequired. It ensures that the installed GND 25 ground plane does not turn by accident.Figure 68: Part of the GND 25 holder with the anti-rotation element