TeeJet LH 4000 - Manual (Page 39)

LH 4000 O PERATORS MANUAL
LH A GRO 39
TEST INPUT
Should you observe any malfunction, conduct a test of all circuits and sensors with
the test-program.
The Screen:
Each text string has a "counter" shown at the L/H side. The figure must change
each time a "pulse" (signal) is received.
The R/H side shows the actual status: "HI" or "LO".
The individual input "ports":
PTO: Signal from the PTO-sensor.
WHEEL
TRACTOR:
Signal from the wheel sensor.
IMPLEMENT: Area override signal. (Tractor)
TRAIL 1:
Signal from pressure sensor. (if
applicable)
TRAIL 2:
Signal from the spray-flowmeter.
TRAIL 4:
Signal from wheel-sensor on
implement (if applicable)
TRAIL 7:
"Override" signal. (e.g. pray-valve)
BOOM 1 TO 9: Status of boom-sections.