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The slope is too steep if...
The mower tilts o the ground while climbing it. Exclude such 
slopes from the mower  cutting area.
SLOPES
Hard Obstacles
Obstacles that are vertical, rigid 
and higher than 15 cm (6 in), such as 
trees or telephone poles, do not need 
to be protected by the Perimeter  
Wire. The mower will bump into them 
and turn away..
Slopes along the edge
To ensure your mower doesn’t slip o the lawn, especially when 
the grass is wet, the Perimeter Wire must exclude a slope along 
the edge of your lawn with an incline of over 6 Degrees (10%) -  
that is, 10 cm rise per 1 m [4 in rise per 3 ft]. 
TIP
Slopes within the Lawn
Your mower can mow areas within the 
lawn with a slope of up to 20 Degrees 
(36%) [35 cm rise per 1 m/14 in rise per 3 
ft].
Max 20 Degrees (36%)
Less than 6 Degrees (10%)
More than 6 Degrees (10%)
A. Make a good start
Before you begin, walk along the edge of your 
lawn and plan how to set up the  
Perimeter Wire. Take note of  
all obstacles and slopes. 
Peg
Once a tail is made, put the 
rst peg into the ground to 
secure the end of the wire
Perimeter 
Wire
Pull out approx. 30 cm (1 ft) of wire through the hole in the spool’s 
plastic covering and peg the beginning of the wire to the ground where 
you intend to install your Base Station. 
Start unwinding the wire counter-clockwise around the lawn, 
starting at the Base Station’s location. 
Lay it loosely along the perimeter as you walk along the lawn edge. If you 
get to any area/object that needs special care, make sure you carefully lay 
the Perimeter Wire as described in the following sections.