
Lit. No. 76348, Rev. 01
21
May 15, 2017
VOLUME/MINUTE:
Displays total gal-
lons (liters) of liquid applied per minute.
WIDTH CAL:
Enter the working width.
SPEED CAL:
Enter the speed calibration number in
inches (cm) per pulse.
MODE SELECT:
Allows the user to change the MODE
SELECT between modes of operation. Lane, Ag, Dust,
and Turf.
TEST SPEED:
Simulates ground speed for system
checkout.
RATE:
Displays application rate.
FLOW CAL:
Enter the calibration value assigned to your
flowmeter (see flowmeter tag).
MIN FLOW:
Enter the minimum flow rate of the
application system.
ADJUST RATE:
Enter an amount of change for on-the-
go adjustments to the target rate.
TARGET RATE:
Enter the target application rate.
Calibration Positions
Calibration Positions
Rotary Switch Position Functions
KEYLOCK FUNCTION –
When locked allows the user to
view calibration values but prevents changes, allows Data
Set 1 to be cleared but prevents clearing Data Sets 2 &
3 (Volume, Area, Distance, Average & Highest Velocity).
TANK ALARM
– Can be initiated by either the optional
Tank Level Switch or the Tank Counter (if Tank Alarm is
set in "Special" Calibration).
VOLUME (1) (2) (3)
: Displays total
gallons (liters) of liquid applied.
May be reset. SEE NOTE
AREA (1) (2) (3)
: Keeps a running
count of the total area worked. May
be reset. SEE NOTE
DISTANCE (1) (2) (3)
: Displays
distance traveled. May be reset.
SEE NOTE
MODE
: Displays selected mode.
User selects between Lane, Ag,
Dust, and Turf Modes of operation.
Allows Audible Alarm to be RESET
by Pressing the RESET button.
SPEED (1) (2) (3)
: Displays ground
speed in miles per hour (kilometers
per hour) or Average & Highest
velocity. May be reset. SEE NOTE
TANK LEVEL:
Displays gallons (liters)
of liquid remaining. If a FILL TANK
SIZE has been set to a value in Cali-
bration, pressing the
"+"
will make the
Tank value jump to FILL TANK SIZE
value. The value can be decreased
but not increased above the FILL size.
If the FILL TANK SIZE is set to Zero,
Tank level can be adjusted to any
value from 0 to 65,535 using the
"+"
or "−"
(RESET) keys.
NOTE:
VOLUME, AREA, DISTANCE, & SPEED
counters work in sets. If the VOLUME counter 1 is
reset, it also resets AREA counter 1, DISTANCE
counter 1 and Average & Highest Speed counter 1. This
will be the same for resetting any counters in the set.
RoadMaster™ CONSOLE FUNCTIONS
The RoadMaster features a large, easy-to-read liquid crystal display, rotary dial, and lighted panel for
night use.
REMOTE BLAST SWITCH - Optional:
The Optional
Remote Blast Switch can initiate the BLAST sequence in
normal operation, the same as the console BLAST switch.
AUDIBLE ALARM:
Alarm will sound for Rate errors over
10%, Tank Level below set point or Tank Empty (from Float
input). The alarm can be temporarily shutoff by setting
rotary switch to MODE (Alarm Reset) and pressing the
RESET button.
Note: Setting ALARM ENABLE to OFF
in "Special" Calibration will disable All Audible Alarms.
WARNING LIGHT: Indicates over- or under-application
of plus or minus 10% from the Target Rate or if the
tank is low or minimum flow active. Also lit when in
CAL and Unlocked.
Multi-function key:
• Used to enter and exit the calibration and
"special" calibration modes.
• Used to initiate BLAST sequence in normal operations.
•
Overrides flowmeter input in case of an Emergency Stop.
• Toggles between SPEED CAL and Distance traveled while
fine tuning the SPEED CAL factor or between FLOW CAL
and Volume when fine tuning the Flow Cal factor.
See Appendices C & D.
Soft Key Functions
BLAST
Key which changes operation from automatic
control to manual. (If Manual Control is enabled,
see page 21.)
AUTO
MAN
PROGRAM KEYS:
In normal operating
modes, used to increase/decrease
application rate. With Rotary Switch
in the SPEED position, RESET key
is used to display Average and Maximum Speed. In
Volume, Area, Distance, or Speed, the
"+"
key selects
counter set.
•
RESET: When in HOLD and not in CAL, clears the
selected counter
set
when held for two sec onds. When
rotary switch is in the MODE position, Resets Audible
Alarm.
•
When in CAL, the "
+
" key increases and the "
−
"
decreases the calibration value displayed.
RESET
WIDTH
CAL
FLOW
CAL
MIN
FLOW
ADJUST
RATE
TARGET
RATE
SPEED
CAL
TEST
SPEED
VOLUME /
MINUTE
DISTANCE
(1) (2) (3)
MODE
(ALARM RESET)
VOLUME
(1) (2) (3)
RATE
SPEED
(1) (2) (3)
AREA
(1) (2) (3)
TANK LEVEL
BLAST
AUTO
MAN
RESET
MODE
SELECT
OPERATING AND CALIBRATION INSTRUCTIONS
Summary of Contents for SnowEx Liqui Maxx
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