TeeJet 844 Sprayer Control - Manual (Page 34)

BOOST MODE
There may be instances where ”on the go” increased or decreased chemical
application may be required in certain areas of your field. In situations like this,
the and keys will allow you to easily make the necessary adjustments.
The boost mode can be activated while spraying in the Auto mode by depressing
either the or key once. With each subsequent depression of the key,
the application rate will be increased by 10%. Each subsequent depression of
the key will reduce the application rate by 10%.
If the or key is depressed once inadvertently during operation, a delay of
3 seconds will deactivate the boost mode. Succeeding presses will change the
target rate as explained above.
Example: If increasing the application rate by 10%, depress the key once to
activate the boost mode, and a second time to make the 10% increase.
If decreasing the application rate by 10%, repeat the above procedure using
the key.
The application rate changes are monitored in the display, as you make them.
The display will show
UP 10 , UP 20 , dn 20 , dn 30 , etc. This will be displayed for
approximately 3 seconds before the display returns to reading actual application
rates. When making the application rate changes, it is not necessary to set the
Auto/Man to “MAN” mode.
To return the application rate to its programmed status, you may use the or
keys individually to step back to the application rate in 10% increments, or
depress them simultaneously to return to the programmed target application rate.
NOTE: While in the boost mode, the symbol will flash at the top of the
console display, to remind the operator they are not spraying at the target
application rate.
AREA/VOLUME FEATURE
The 844 Sprayer Control will count application acres (hectares) and measure
total volume applied while the master boom switch is in the “on” position. The
area counter will measure treated acres (hectares) and is dependent on the
value programmed for nozzle spacing on page 19. The volume measure is
dependent on flow meter pulses and is available on flow based models only.
The lower right of the display window will alternately show the treated area
sprayed and the total volume applied since the last clearing of the area
counter/volume measure.
To clear the area counter/volume measure, depress and hold the and
keys simultaneously for three seconds.
NOTE: The area memory counter/volume measure only works when the
Master Boom Switch is turned “ON”.
NOTE: If you are using a pressure based controller, the Volume feature is
disabled. The total area will then be displayed at all times.
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Features