22
Console Operation
Switches and Buttons
MASTER SPRAY SWITCH
Selects one of three operation modes.
AUTO
Distance and area count, spray booms will operate
(spray booms will not operate if speed is 0) and console
will control pressure according to speed. (If speed goes
up, pressure increases, if speed goes down, pressure
decreases). Target Application Rate can be changed
using the DELTA rate adjust in the SPRAY RATE or %
ERROR modes.
MAN
Distance and area will count, spray booms will operate
(regardless of speed) and pressure can be manually
increased or decreased with the “=/-” switch. NOTE: In
MAN the servo valve operates at less the 20% of its
maximum speed to allow accurate adjustment.
HOLD
Distance and area will not count, spray booms will not
operate and pressure cannot be changed with the “+/-”
switch.
BOOM SWITCHES
If a boom switch is on (up), its respective boom solenoid
should be on. If any boom switch is off (down), the boost
solenoid should be on. No solenoid should be on if the
console is in HOLD (or in AUTO while speed is 0).
CLEARING TOTALS
Turn rotary selector to the total to be cleared. Put master
switch in HOLD. Hold Adjust Switch to “-” until total clears.
CAUTION
Do not attempt to clear when in Calibrate Mode (red
light on). If red light ins on, flip to MANUAL to extinguish
light, then to HOLD and hold “-” until clear (about 3
seconds). When properly cleared, a total will go to 0 all
at once, not count down slowly.
ROTARY SELECTOR
During normal operation, you can view any of seven
(7) different measurements by turning the knob to the
corresponding position.
SPRAY RATE: Displays actual number of gallons per acre
(liters per hectare) being applied. (If your
desired spray rate is under 7.68, the display
will have two decimal place accuracy,
otherwise one decimal point accuracy). When using the
NH3500 Kit, the console displays lbs. (kg) “N” per acre being
applied
SPRAY
TOTAL LIQUID: Displays total liquid sprayed since counter
was last reset. To reset to zero, place spray selector in
HOLD and hold “-” for 3 seconds. NOTE:
Attempting to clear when warning
light is on will alter calibration. Flip to
MANUAL to extinguish light, then to
HOLD to clear. Use this measurement
capability to periodically check flowmeter accuracy.
Maximum count is 6553.5. When using the NH3500 Kit, the
console will display total lbs. “N” applied since counter was
last reset.
TOTAL
LIQUID
DISTANCE: An electronic tape measure displaying feet
(meters). Does not accumulate while in HOLD.
To reset to zero, place spray selector in HOLD
and hold “-” for 3 seconds. NOTE: Attempting
to clear when warning light is on will alter
calibration. Flip to MANUAL to extinguish
light, then to HOLD to clear. Maximum count
is 65535 ft.
DIST.
% ERROR: Displays percent deviation from target application
rate. Can be used to monitor how well
the MT-3000 is controlling flow. An error
of 10% or less is generally considered
acceptable.
%
ERROR
FLOW RATE: Displays the flow rate being sprayed in GPM
(lpm). When using the NH 3500 Kit,
the console will display lbs. (kg) “N” per
minute that are being applied.
FLOW
RATE
SPEED: Displays speed in miles (kilometer) per
hour.
SPEED
TEST
SPEED
AREA: Displays actual acres (hectares) sprayed since last
reset. Does not accumulate while in
HOLD or is all boom switches are off.
To reset to zero, place spray selector
in HOLD and hold “-” for 3 seconds. NOTE:
Attempting to clear when warning light is on
will alter calibration. Flip to MANUAL to extinguish light,
then to HOLD to clear. Maximum Acre Count is 1095.52 X
Distance Cal. After 1095.52 X Distance Cal., the AREA counter
starts over at zero. NOTE: Area sprayed may not agree with
total area covered when band spraying. To correct for
actual area multiply readout by total equipment width and
then divide by band spraying width.
TOTAL
AREA
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