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Configuration
Step
Operation
3
Enter Noise
Suppression
Frequency
Edit Noise Suppression
Frequency
Select desired
Frequency
Save the Noise
Suppression Frequency
Enter Output
4
Configuration
0% Range Value
Selection
Edit 0 % Range Value
Selection
Select desired 0 % pH
Value
Save the New 0 %
Range Value
5
100 % Range Value
Selection
Edit 100 % Range Value
Selection
Select 100 % pH Value
Save the New 100 %
Range Value
6
0 % Calibration
Adjust 0 % Calibration
Save 0 % Calibration
16
Press
MODE
nSUP (for 1 second) then,
Momentarily
(Noise Suppression Frequency Selection)
MODE
Flashing Display – You are now in EDIT mode
Hold
(Value of current Frequency selection)
To select 50 Hz or 60 Hz (default)
Momentarily
MODE
Selection for frequency
Momentarily
OutC Enter Output Calibration
MODE
Momentarily
rnGL (for 1 second) then,
(value of current 0 % Range Value Selection)
Momentarily
MODE
Flashing Display – You are now in EDIT mode
Hold
Value of current 0 % selection)
Selected 0 % pH Value in 0.50 pH increments
Momentarily
Range: 0.00 to 14.00 pH (default 0.00)
MODE
(New Value)
Momentarily
rnGH (for 1 second) then,
(value of current 100% Range Value Selection)
Momentarily
MODE
Flashing Display – You are now in EDIT mode
Hold
(value of current 100 % selection)
Selected 100 % pH Value in 0.50 pH increments
Momentarily
Range: 0.00 to 14.00 pH (default 14.00)
MODE
(New Value)
Momentarily
AdJL
Momentarily
MODE
AdJL (flashes) – You are now in EDIT mode
Range: 3.80 to 4.40 mA typically (default 4.00 mA)
Hold
+AdJL (increments value)
−AdJL (decrements value)
Momentarily
MODE
AdJL
Momentarily
DirectLine® DL421 Sensor Module User Manual
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