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1525P and 1510HDP
Hydraulic Drive Operation
Great Plains
| 118-949M | 2018-07-03
35
5.
Set the Point Row switch box for Calibration mode:
• LEFT section switch on.
• CENTER and RIGHT section switches off.
• Master switch
to “CAL”
Confirm CAL lamp
illuminated.
6.
Take steps to capture and measure seed from the
three outside rows of the left wing.
If seed a loaded at more rows, take steps to recover
seed from non-sampled rows on the left section.
7.
Set the seed rate handles all sections to the chart
value (page 32).
8.
Turn on Controller Console by pressing ON/VR
button. Green light above ON/VR button illuminates.
9.
Use /
arrow buttons to set desired planting rate,
the example, 50.0 pounds/acre
a
.
Set the desired rate before performing a calibration,
as this value is used by the controller to calculate
sample run time. If the rate is not set, the sample run
time will be incorrect, or you may get “TIME TOO
LOW/HIGH” errors that cannot be cleared by
adjusting the expected sample size.
10. Press FUNCTION button until CALIBRATION
NUMBER window appears.
11. Select drive calibration number based on row
spacing and seed, from “
Table-Singulating (Low Range) Motor 12T
Driving-Mainshaft 36T Driven
” on page 32. You
may also use an initial value developed from a
previous calibration of similar seed.
Figure 20
Point Row in Calibration
28329
M
CAL
m
M
CAL
a. The controller ignores units of measure at step 9. If you change units at step 15, the numeric value entered at step 9 is unchanged.
Figure 21
Controller Button Functions
28249
Figure 22
Calibration Number
28250