TeeJet LH 85 User Manual
Page 31

O
PERATORS MANUAL FOR THE
LH
85
S
PRAY
C
ONTROLLER
S
ETTINGS
LH
A
GRO
4.7
Automatic speed sensor calibration:
The procedure to calibrate the forward speed sensor follows:
Step
Key
Action
1
Measure and mark a 100 metre stretch in the field. Drive to
the start mark and stop.
When calibrating the forward speed sensor we recommend
doing so in the field with ½ the total volume in the tank to
ensure conditions as close to spray work as possible.
2
From the "Machine" setup menu select "Speed source".
3
From the "Speed source" menu select "Speed source" this
screen is shown in the display.
4
Keys 3 & 4
Select the speed sensor to be calibrated by using function
keys 3 & 4 (pos. 5 & 6 in the above).
Use the page key (pos. 4 in the above) to view/select other
sensors.
5
Press the CALIBRATE key once.
6
Drive the 100 metre stretch – the controller will count the
number of pulses received whilst driving.
7
Stop
exactly at the stop mark of the 100 metre stretch.
8
Press the ENTER key and the forward speed sensor has
been calibrated.