28 29
20 cm (8in)
Leave a minimum of 1.2 m (4 ft) if the
edge of the lawn borders water.
When the edge is flat or a drop, use
the short distance of the RoboRuler.
When the edge is a wall, use the
longer distance of the RoboRuler.
28 cm (11in )
Min 1.2m (4ft)
