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...6.2.2 Operating Page 2
Continued from previous page.
Calibrating Std 2
Electrode mV
CALIBRATION PASSED
or
CAL FAILED (SLOPE)
or
CAL FAILED (SLOW)
or
Mode
Nitrate
<units>
6.2.3 Security Code Page
A security code is required to gain access to all subsequent programming pages. The code is preset at the factory to '0' but can be
changed if required in the Current Output Page – see Section 6.2.5.
Security Code -----
or
Incorrect code.
SET UP INPUT
Nitrate
Calibrating Standard 2
The upper display shows the nitrate concentration value. The display remains until a
stable output is obtained from the probe.
Toggle between the two displays.
– –
–
•
Electrode Millivolts
The probe output can also be displayed during calibration
Cal
Note. Pressing
normal operation.
When a stable probe output is detected the display automatically advances to the next
parameter.
Calibration Passed
A satisfactory calibration has been carried out.
or
Calibration Failed (slope)
The monitor was unable to obtain an adequate slope value during calibration. The
slope value required is 70 to 110%.
or
Calibration Failed (slow)
The monitor was unable to obtain a stable output from the probe during calibration.
Return to top of Operating Page 2.
or
Return to Operating Page 1.
Security Code
Set the correct security code.
Advance to the first of the programming pages – Set Up Input Page.
<Units>
Return to Operating Page 1.
during a calibration aborts the sequence and returns to
Cal
6 PROGRAMMING...
15
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