Multi Pro 1200/1250 Page 9 -- 15 Sonic Boom System (Optional Kit)
Manual Boom Operation
During sprayer operation with the sonic boom switch in
themanualposition,thesprayboomswillremaininposi-
tion unless the operator presses a boom actuator
switch. When the s onic boom switch is in the manual
position,thesonicboomlightshouldbeilluminated.The
operatorwillcontroltheboompositionwiththeboomac-
tuator switches.
Raise Boom
Whenaboomactuatorswitchispressedtoraiseaboom
section, the electronic control unit (ECU) energizes the
power switch relay and both H--bridge relays for the re-
quested boom section. The energized relays provide a
current path to the boom actuator causing the actuator
to retract which will raise the boom section. The boom
willcontinuetoriseuntiltheoperatorreleases theboom
actuator switch.
Lower Boom
When a boom actuator switch is pressed to lower a
boom section, the electronic control unit (ECU) ener-
gizes the power switch relay for the requested boom
section. The energized relay provides a current path to
theboom actuatorcausingtheactuatorto extend which
will lower the boom section. The boom will continue to
lower until the operator releases the boom actuator
switch.
Sonic Boom
System
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