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Workman 200 Ultra Sonic Boom System (Rev. C)Page 3.2 -- 13
Boom Level Changed by Operator During Automatic Operation
During sprayer operation with the sonic boom switch in
the automatic position (sonic boom switch light is illumi-
nated),the boommounted sonic boom sensors continu-
ally send impulse signals and then r eceive echoes as
the signals bounce off the turf. The Toro electronic con-
troller (TEC) determines the sensor distance from the
ground based on the time between the sensor signal
generationandthe receivedecho.As longas thesensor
height remains the same as the calibrated height, the
spray boom will remain at a fixed distance from the
ground for spraying accuracy.
If the sprayer operator should press a boom lift switch
while in automatic operation, the TEC energizes the ap-
propriate boom lift control electrical relays. The ener-
gized relays cause the boom actuator to raise or lower
the boom section. The relays will stayenergized as long
as the operator keeps the boom lift switch pressed. The
sonicboomlight willflashwhiletheboom liftswitchisbe-
ing depressed. If one boom is moved by the operator,
the other boom c ontinues to function automatically.
If a boom is raised b y the operator while the Ultra Sonic
Boom System is in automatic operation, that boom will
remainintheraisedpositionuntiltheboomliftswitchis
pressed to lower and released which will re--engage au-
tomatic sonic boom operation on that boom section.
Ifaboomis loweredbytheoperatorwhilethe UltraSonic
Boom System is in automatic operation, that boom will
lower until the boom liftswitch isreleased. Theautomat-
ic sonic boom operation will be re--engaged as soon as
theliftswitchisreleasedfromlower.
NOTE: To re--engage automatic sonic boom operation,
theboomliftswitchmustbepressedtolowerandre-
leased. Pressing the boom lift switch to raise will not re--
engage automatic operation.
Figure 6
OPERATOR PRESSES LEFT BOOM LIFT SWITCH SO THE LEFT
BOOM ACTUATOR RETRACTS TO RAISE BOOM SECTION
Ultra Sonic
Boom System