Using Weed-It - Croplands WEED-IT Quadro User Manual

4. Using WEED-IT

Use the Control unit to control the WEED-IT system. The Control unit offers access to various
menus that allow you to monitor and control the system. Please note that some features described
in this section may not be available on your WEED-IT system. Contact you supplier for more
information on installed options.
This section describes the procedures for regular use of the WEED-IT after installation on a
spraying system.
Please refer to "Before each use" on page 15 if this is the first time you work with the WEED-IT.
Make sure that the primary valve (used to draw liquid from the tank) and all
couplings are watertight.
A leak will result in pressure variations or even complete pump failure.
Air in the lines may result in dripping (instead of spraying) from the
nozzles.
For all valves and fittings use plastic, stainless steel or chromed brass.
Never use galvanized fittings, because the use of glyphosate (and related
substances) will cause corrosion.
The system has narrow fan nozzles for spot spraying. Check the nozzles
regularly ("Nozzle cleaning menu (102)" on page 43).
The WEED-IT automatically adapts to changes in circumstances, for example the size of the plants,
the soil type, ambient lighting and the weather situation (sun, rain, fog, etc). Nevertheless, the
sensitivity of the detectors may have to be adjusted. Several different presets are available from
the Preset Menu for that purpose (see "Preset menu options " on page 39).
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