19
SPEED CAL FOR RADAR OR GPS SPEED SENSORS:
See the following table for SPEED CAL numbers to enter for
various radar models or GPS speed sensors.
To fine tune
the SPEED CAL number, see Appendix B on page 44.
WIDTH
CAL
FLOW
CAL
MIN
FLOW
ADJUST
RATE
TARGET
RATE
SPEED
CAL
INLINE
BYPASS
TEST
SPEED
VOLUME /
MINUTE
DISTANCE
AREA /
HOUR
VOLUME
(1) (2) (3)
RATE
SPEED
AREA
(1) (2) (3)
ON
OFF
1
2
3
4
5
B O O M S
RUN
HOLD
CAL
AUTO
MAN
RESET
ON / OFF
____
APPLICATION RATE
TANK
___
MANAUTO
CAL HOLD
Illustration 14
SPEED CAL:
This position is used to calibrate the speed
sensor for ac cu rate speed and dis tance measurement.
When this position is selected, the display will show the
SPEED CAL value along
with “CAL” on the
display.
See Illustration
14.
In English units, the
SPEED CAL number is displayed in inches, in
metric it is displayed in centimeters.
SPEED
CAL
DISTANCE
INLINE/BYPASS:
The display will show InLinE or bYPASS.
Use the “+” or “-” buttons to toggle to desired selection.
Inline is used when the servo is in the line going out to the
booms; Bypass is used when the servo is in
a return line.
NOTE: if used on a Micro-Trak
NH3 system, it must be set to Bypass.
INLINE
BYPASS
AREA /
HOUR
Radar or GPS Speed Sensor Calibration
Radars
English Cal # in. Metric Cal # in.
Hz/MPH
Vansco
.150
.38
58.90
Raven
.148
.38
59.80
Magnavox
.154
.39
57.40
Dickey-john
(NOTE: Dickey-john
radars may be factory
calibrated for any of
these four settings).
.149
.38
58.94
.199
.51
44.21
.319
.81
27.64
.518
1.32
17.034
GPS Speed
Astro II & 5
.189
.48
46.56
SkyTrak (Std)
.150
.38
58.94
SkyTrak (MT)
.910
2.31
9.82
Dickey-john
.210
.53
42.00
John Deere
(In-cab speed signal)
.197
.50
44.70
Calibration
(cont)
Entering Calibration Values
(cont)
