How should I install the perimeter wire along a flat edge, a flower bed, small cliff (not more than 1cm), or a small stair (up to 5cm) on model RX ?

RX-Model

If the edge is relatively flat, lay the wire at RoboRuler distance II (26cm) from it.

If the edge is a drop, use distance III (36cm) of the RoboRuler to prevent the wheels from driving into a ditch:

If the working area borders with a flower bed (or any other soft obstacle, that you want to avoid Robomow bumping into it), lay the perimeter Wire at distance IV (45cm):