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Mole LRL 3000D operating manual
9
4. If the soil on which you use the device is dry, make two holes with a thin pike
(not larger than 4 mm, since the probes are 5 mm) at about 10 cm depth. The
gap between the holes should be at least 40 cm and at most 90 cm wide. The
standard distance between them is 60 cm. Pour half a litre of water slowly in
each hole, making sure that the wet spot around the holes is not too big.
Under no circumstances should the probes be short-circuited. Hence, you
should not use the device immediately after heavy rain.