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8
Calibrating the Sonic Booms
No Parts Required
Procedure
In this procedure, you will have 20 seconds to calibrate the
sensors on the booms. The distance you set between the
sensor on each boom and the ground after the 20-second
calibration period is the boom height setting in automatic
mode until the next time you calibrate the sensor.
Note: For uncovered booms: The default height setting is
51 cm (20 inches) from the nozzle to the ground. If, after
setting a boom to a height different from that of the factory
default setting, you wish to restore the calibration to the
factory-default setting, calibrate the boom with the boom in
the cradle. For covered booms: The default height setting
of 51 cm (20 inches) is for uncovered booms only. You must
calibrate the sensors on covered booms.
1. Ensure that the turf sprayer is parked and away from
any trees, buildings, vehicles, debris, and underground
utilities and plumbing.
2. Lower the booms to the horizontal position.
3. Turn off the ignition key.
4. Press the sonic boom switch on the dashboard to the
Auto position (Figure 23).
Figure 23
1. Sonic boom switch
5. While pressing and holding both the Left Lower switch
and the Right Raise switch, turn the ignition key and
start the machine.
6. Release the boom switches.
Note: The green light on the sonic boom switch will
flash rapidly, indicating that the sonic boom system is
in calibration mode. You now have 20 seconds to use
the Raise and Lower boom switches to set the desired
distance from the booms to the ground. After the 20
seconds, the green light will flash slowly.
7. Use the Raise and Lower switches to adjust the height
of each boom until you achieve the desired distance
from the sensor on the boom to the ground.
12
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