29
844E Sprayer Crontrol
98-70006 R3
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, fi rst 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 specifi c 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 fi elds, fence lines or to confi rm
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 ft / 100 m course turning the Master Switch ON at the start point
and OFF at the finish point. Distance measured should be 300 ft / 100 m +/- 6 ft / 2 m.
Simulated Ground Speed
Default = 6.0
While in the Simulated Ground Speed step, the symbol will be fl ashing 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, press the key
to advance to the next step. The simulated speed will be activated after you exit the system setup mode.
NOTE: Once the sprayer begins moving and the 844 receives actual speed pulses, the simulated speed feature is
deactivated.
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