
6
Singulated Seed Planting with the DrillMaster
The DrillMaster will also control the planting of singulated seeds. The target rate will be the seed population,
displayed in thousands of seeds per acre. The Meter Cal is specific to the cells on a seed disc and will not
change.
DrillMaster Controller Calibration for singulated seed meters:
1. Turn all section switches off and put system in hold.
2. Press CAL for one (1) second to enter calibration
mode. Red light will be on steady and CAL will be
displayed in CAL mode.
NOTE: You cannot enter CAL without RUN/HOLD
switch in hold.
3. Turn the dial to the items listed below and set as
instructed. Numbers can be changed by using the
“+” or “-“ buttons.
4. When complete, press CAL for one (1) second to
exit CAL mode. Red light should go out and CAL will
not be displayed. You MUST exit Calibration mode
to save your setting.
METER CAL: Enter the Meter Cal for the seed
meter you are using from the chart below.
Number of seed
cells
in seed meter
Meter Cal
in DrillMaster
30 2000
36 1667
40 1500
45 1333
46 1304
50 1200
56 1071
60 1000
64 938
90 667
108 556
Formula: Meter Cal = 60 pulses a revolution
÷ number of seed cells
x 1000
ROW SPACING:
Enter the AVERAGE row spacing in inches of your
implement. For example, on a 38" twin row planter, you
would enter the average row spacing of 19".
ADJUST RATE:
Enter the value for the disired amount of change in
thousand seeds/acre to be used for making on the go
rate adjustments.
TARGET RATE:
Enter the desired planting rate in thousand seeds/acre.
ROWS/SECTION:
Enter the # of SEED METERS per section. For a twin
row configuration, each twin row has 2 seed meters.
This displays the rows per section for the section
selected. Unused sections must be programmed to
zero rows. The DrillMaster can have up to three
sections.
NOTE: The controller must be out of HOLD and be in
RUN to enter rows/section. Turn section one
on while the other two sections are off. The
corresponding section icon 1 will turn on and
the number of rows in the section can then be
adjusted. After section one is entered, turn it
off and turn section two on, then turn two off
and turn the section 3 on and adjust. When
finished, turn the DrillMaster back to hold and
the screen will display no SECtn. If you are on
a single or two section planter, the sections not
being used must be set to 0 rows.
SPEED CAL:
For the ASTRO 5 which is included with the DrillMaster,
this setting should be .189.
CAL TEST:
This is not a true “Calibration Factor” but rather a
method of testing the planter to confirm the seed meter
dispenses the correct number of seeds.
Prior to using CAL TEST for singulated seeds, it is
recommended to change the sample size that will be
dispensed. After exiting the CAL mode, and red light is
off.
1. Turn DrillMaster Off
2. Hold down AUTO/MAN and CAL buttons while
turning DrillMaster on. “Spec” will show on disp;ay
briefly.
3. Push CAL until “1" shows in display.
4. Turn dial to DISTANCE/SPEED CAL position.
5. Default value is 1.00, which will dispense 1,000
seeds per meter. We recommend you change this
value to 0.150, which will dispense 150 seeds/meter.
6. Push CAL until red light goes off and CAL is not
shown on the display.
TEST SPEED:
This is also not a true “Calibration Factor”. TEST
SPEED along with CAL TEST will be used in the Pre-
Planting Seed Calibration Process.
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