Great Plains V-300F Operator Manual - Manual (Page 87)

Great Plains Manufacturing, Inc. Adjustments 83
11/15/2007 148-057M-A
15. If this figure is different than desired, set your seed
rate adjustment handle accordingly.
Note: You may want to repeat the calibration procedure if
your results vary greatly from seed rate chart.
When drilling, check seeding rate by noting acres drilled,
amount of seed added to drill and seed level in drill box.
If you are seeding more or less than desired, adjust
seeding rate slightly to compensate for field conditions.
Target was 9 kg/Ha.
8.47
÷ 9 = 0.94 (94%)
Result is 6% low.
Adjust handle up by 3 (6% of 52)
to a new Seed Rate Handle setting of: 55