20 21
If the edge is relatively flat,
lay the wire at RoboRuler
distance II from it.
If the edge is a drop, use
distance III of the RoboRuler.
When the edge is a wall, use
distance IV of the RoboRuler.
Keep a minimum of 1.2 m (4 ft) if
the edge of the lawn borders water.
II
III
IV
Min 1.2m (4ft)
