16
Operation
PROGRAMMING THE 844 SPRAYER CONTROL SYSTEM
(CONTINUED)
NOZZLE SPACING
Default = 20
1. While in the Nozzle Spacing step, the
symbol will be flashing at the top of the console display.
2. Nozzle spacing should be recorded in inches.
3. If the default value is correct, depress the key to accept the value.
4. If the nozzle spacing is different than that shown as a default, then add or reduce this number by using
the
or keys to record the new value. Depressing the and keys simultaneously will
clear the value to zero.
5. When the correct value has been entered, depress the
key to accept the value and advance to the
next step.
6. When broadcast spraying, enter the nozzle spacing in the display.
7. If banding, enter the band width as your spacing.
8. If directed spraying, enter the row spacing divided by the number of nozzles per row as your spacing.
All Application rate readings (GPA, G/1000 ft²) and area readings are expressed in
treated acres.
NUMBER OF SPRAY TIPS PER BOOM SECTION
Default = 6
1. While in the Tips Per Boom Section step, the symbol will be flashing at the top of the console
display. The console will also display “SEC 1” at the left and a number (6) at the right of the display. The
“SEC 1” refers to boom section #1 on your sprayer. The number at the right is to be adjusted to match
the number of tips you have on boom section 1.
2. The default value of “6” will appear for all booms sections. The next 3 or 5 programming steps are
Number of Spray Tips Per Boom Section steps. These steps correspond with the 3 or 5 boom switches
on the lower portion of the console, depending on the 844 console you purchased. The section you are
programming can be identified by looking at the SEC # at the left of the display.
3. You must program the correct number of spray tips for each boom section on your sprayer. Use the
or keys to produce the correct value. Depressing the and keys simultaneously will clear the
value to zero.
4. Advance to the next step by depressing the key. This must be done for all Number of Spray Tips Per
Boom Section steps.
5. Any individual boom switches not being used must be programmed to a “0” value. When you have
programmed and validated the last Number of Spray Tips Per Boom Section step, advance to the next
program step by depressing the key.
