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6 – oPERATIoN 

5 – CAlIBRATIoNS  

(If equipped with Anhydrous Rate Control)

5 – CAlIBRATIoNS  

(If equipped with Anhydrous Rate Control) – continued

5.1 valve Calibration 

Work Condition>valve Cal

 

Note:

 Vehicle & controlling 

components should be at 
normal operating temp/
conditions for these 
calibrations. 

a)  Select Drive Number  

to Calibrate

b)  Press ‘Start’ 
c)  Valve will calibrate the 

following parameters 
automatically: 
–   Breakout (Minimum response of valve) 
–  Gain (Increase for more aggressiveness)  
–  Deadzone (% Error before flow adjustment is made)

d)  Repeat any other Drives

5.2  Nh

3

 Calibration

Work Condition>Nh

3

 Cal

 

Note:

 The initial & final 

nurse tank weight is 
required for this calibration.  

a)  Verify Implement
b)  Verify Work Condition 
c)  Select Anhydrous Op 

Mode – [Anhydrous] 
(Accept Safety  
Warning if agreed)

d)  Press ‘Next’

e)  Verify Control Module 

Serial Number

f)  Verify Flow Meter 

Cal Value (change in 

Toolbox>AccuCtrl> 
Nh3 Drive Setup

)

g)  Press ‘Next’

5.2  Nh

3

 Calibration - continued

h)  Prime the system 

using the [Start] button 
under Product Control, 
press reset to zero the 
Measured Output

i)  Measure initial tank 

weight

j)  Press the ‘Start’ button  

to begin Application 

NoTE!

 The operator 

can exit the Cal screen 
during application and 
the Measured Output will 
continue to measure the  
amount applied.

k)  After application has completed press ‘Stop’
l)  Measure the Weight of  

Nurse Tank again

m) Calculate amount of acutal Nitrogen applied 

NoTE! 

 

MUST BE LBS. (or KG) of NITROGEN

, not total weight 

of product applied! 

1 lb. of Nh

3

 = 0.82 lbs. of actual N

n)  Enter in lbs (or kg) value in Actual Output
o)  Press ‘Update’ to update the Meter Cal Value
p)  Repeat if needed

Record calibration values here, if desired

USAGE

CAl vAlUE

6.1  Enable Application

Run screens
Note:

 Most windows will need to be placed on  

the run screen (

Toolbox>layout

a)  Liquid Op Mode -  

Select [Anhydrous]

b)  Read Safety message  

& press ‘Accept’ if agreed

c)  Master Control –  

Press ‘Apply’ on display 
or switch on master 
switch 

on switchbox  

(if equipped)

6.2  Anhydrous Rate Control (If equipped) 

a)  ‘NH3 Ctrl’ Defaulted to ‘On’
b)  Increase or decrease rate, if needed
c)  Automatic rate control (prescription) assigned in 

Performance>Rx Setup

Current Rate

Exit to  
save 
change

Use 
Default 
Rate
Product  
On / Off

Increase

Decrease

6.3  Prime Control (If equipped w/ Anhydrous Ctrl) 

Prime is used to fill the 
system so no gap is left in the 
field when starting 

Note:

 Window may not be available in v28.* software versions.   

If not available, use the start button found in 

Toolbox>Nh3 Cal 

 

to prime.
a)   Press the Prime button for 3 sec.
b)  Wait for prime icon in warning area to stop flashing
c)   System is primed

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