Paragraph 6.1.2 Purpose of the measurement

The cutting device shall be adjusted to a height of 3 cm. If for technical reasons this is not possible, the cutting device shall be adjusted as close as possible to a height of 3 cm. The grass in the test area shall be mown with this cutting device setting before any sound measurement is taken where tests are made under 6.3.3. below.

For the sound measurement, all grass shall be removed from the lawnmower and the grass collector shall be empty.