TeeJet LH665 VRT - Manual (Page 46)

A PPLICATION CONTROL , ENCODE & CALIBRATION LH 665 VRT O PERATORS MANUAL
4.12 LH A GRO
CALIBRATION
These menus allow calibration of the functions that are necessary for application
control.
THE CALIBRATION MENUS
All the calibration menus are selected as follows (presupposes APPLICATION
RATE is selected as the operating mode as described on page 3.3).
Step Key Procedure
1 Press the MENU key until the following menu selection keys
are displayed
CAL SETUP DIAG
2 CAL
Press the CAL key and the following calibration menu items
will be displayed:
AREA DISTANCE
AREA CALIBRATION
After working a field with a known area it is possible to calibrate the LH 665 so
that the measured area is the same as the actual area. Differences in area arise
when working, i.e. short work when conditions do not allow for continuous
adjustment of the working width.
Step Key Procedure
1
AREA
Press the AREA key.
2 Press the top function key to select the field to be area
calibrated. Select the field using the ARROW UP/DOWN
keys.
2 Highlight the ACTUAL HA section with the function key and
adjust the actual area to the known area using the ARROW
UP/DOWN keys.
3
PERFORM
CAL
Press the PERFORM CAL key when the actual area has
been encoded. The measured area will be adjusted to be the
same as the actual area.
4
ACCEPT
Press the ACCEPT key and select the next field for area
calibration.
5
EXIT
Press the EXIT key when all required fields are area
calibrated.