Ft o, Distance counter, Simulated ground speed – TeeJet 844 Sprayer Control User Manual
Page 26
24
RADAR SPEED PULSES
Automatic Calibration:
The automatic calibration of a Radar speed sensor is similar to the automatic
calibration of a wheel speed sensor. Refer to the directions above. When the
console has determined that a Radar Speed Sensor is being used,
rAd
will be
displayed in the lower left of the console display.
Manual Calculation:
To manually enter the radar calibration value, first press the Auto/Man key to put
the control console into radar mode. When the Control Console is in the manual
radar calibration mode,
rAd
will be displayed in the lower left of the console
display. Now use the or keys to adjust the value. When the correct value
has been entered, press the key to validate this value.
Distance Counter
Default =
0
This step is a feature, not a calibration step. No specific value needs to be
entered here for the controller to operate correctly.
This feature will measure distance in feet (meters). This can be used to measure
fields, fence lines or to confirm Automatic Speed Calibration. To activate the
counter the Master Boom Switch must be on. To avoid actually spraying during
this task, toggle the individual boom sections off.
Anytime that the Master Boom is on during this step the console will
measure distance. If the Master switch is toggled off, the console will
stop counting distance.
To clear an existing distance, press and keys simultaneously.
NOTE: To confirm Automatic Speed Calibration, first complete the
calibration procedure. Advance to Distance Counter step. Drive across
the same 300 feet (100 meters) course turning the Master Switch ON at
the start point and OFF at the finish point. Distance measured should be
300 feet (100 meters) +/- 6 feet (2 meters).
Simulated Ground Speed
Default =
6.0
While in the Simulated Ground Speed step, the symbol will be flashing at
the top of the display. The default value of 6.0 will be displayed in the middle of
the display.
The simulated ground speed allows you to check out the functions and
operations of the console and of the sprayer, spraying water, without actually
moving the sprayer. This can and should be done prior to any spraying activity.
NOTE: If you are using a Radar Speed Sensor, disconnect the Radar
connection from the main console. Because of the sensitivity of this unit,
any movement can disable simulated speed.
To set the simulated speed, use the and keys to adjust the value.
When the value is set, depress the key to advance to the next step.
NOTE: Once the sprayer begins moving and the 844 receives actual speed
pulses, the simulated speed feature is deactivated.
ft O
DISTANCE
COUNTER
6.0
SIMULATED
GROUND
SPEED