TeeJet 854 Sprayer Control - Manual (Page 11)

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854 Sprayer Control
Display.Stabilization
Display Stabilization establishes the stabilization
rate that steadies the Application Rate displayed
during minor adjustments of the control system.
The controller will continue to make the required
adjustments at all times. Enter the percentage of
allowable change from the target rate in this step.
For example, the system has a target rate of 20 GPA
with 5% programmed for Display Stabilization. The
display will indicate 20 GPA at any time the actual
rate is +/- 5%, or:
• Use the PLUS or MINUS keys to change
the value.
• Press and hold the AUTO/MAN key for 3
seconds to set the value to “0.0”.
• Press the AUTO/MAN key once to set the
value to the default setting of “5%”.
• Press the PROGRAM key to accept the
value and advance to the next program step.
NOTE: The Display Stabilization value is limited to
20%. A value of 0% will disable the setting.
Figure 3-8: Display Stabilization
5 s O
diS rAtE
Data.Display.Screen.Options
The lower right hand display used during normal
operations mode can be customized to display:
• volume sprayed
• area covered
• both volume sprayed and area covered
(alternating every 3 seconds)
To customize the data display options:
• Use the PLUS or MINUS keys to change
the data to be displayed.
• Press the PROGRAM key to accept the
value and advance to the next program step.
Figure 3-9: Data Display Screen
dAt bOth
Calibrate.Tip.Level.Percent
If both a pressure sensor and a flow meter are
installed and being used, the 854 uses one sensor to
cross check the other for system errors.
Select the primary sensor (used for regulation) in
the Sensor Select step of System Setup Mode. The
opposite sensor will automatically perform the cross-
checking function.
The Calibrate Tip Level % will establish the % of
allowable error between the sensors before an
alarm is activated. All sprayer systems have some
discrepancy between pressure and flow due to
pressure drops and positioning of sensors.
• Use the PLUS or MINUS keys to change
the % of allowable error.
• Press the PROGRAM key to accept the
value and advance to the next program step.
NOTE: It is recommended that this value remain at
50% unless instructed otherwise.