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Rev. B
Workman 200 Spray System Page 3.1 -- 7 Sonic Boom System (Optional Kit)
Sprayer Operation on Level Turf
During sprayer operation with the sonic boom switch in
the automatic position (sonic boom light is illuminated),
the boom mounted sonic boom sensors continually
send impulsesignals andthen receiveechos as thesig-
nals bounce off the turf. The electronic control unit
(ECU) determines the sensor distance from the ground
based on the elapsed time between the sensor signal
generationandther eceived echo.Aslong asthesensor
height remains the same as the calibrated height, the
spray boomwill remainat afixed heightfrom the ground
for spraying accuracy.
On levelturf,the boomsensors continually sendsignals
and receive echoes that determine that the booms sec-
tions are at the calibrated height. Thus, there is no need
to change boom height. The boom actuators will not be
energized and the boom sections remain at the correct,
level position.
Figure 3
LEVEL GROUND
CONSISTENT BOOM HEIGHT
SO ACTUATOR MOVEMENT
IS NOT NECESSARY