horiba APNA-370, Operation Manual

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4 CALIBRATION
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Press the button for the item to be set.
The keys allow you to perform the following operations.
4.1.3 Screens for value setting
Pressing each display of span gas concentration value, zero calibration coefficient, or span
calibration coefficient will display a screen including the numeric keypad that allows you to
enter the respective values.
Fig. 17 A screen for value setting (SPAN CONC.)
Enter a value via the numeric keypad.
The keys allow you to perform the following operations.
Note
If you enter any value that does not meet the settable range, it will be automatically corrected to the
nearest value in the settable range.
MEAS.: To use the MEAS. line, select this button.
SPAN: To use the SPAN line, select this button.
ZERO: To use the ZERO line, select this button.
EXTERNAL: To use the external contact (optional) for line switching, select this button.
[CANCEL]: Returns to the CAL. screen without changing the settings.
[SET]:
Returns to the CAL. screen with the settings changed.
Item Settable range Default setting
Span gas concentration value .00001 to 99999. ---
Zero calibration coefficient

3500 to 3500 0
Span calibration coefficient .50000 to 2.0000 1.0000
Edit area
Numeric keypad
Current set value
[CANCEL]: Returns to the CAL. screen without changing the settings.
[CLEAR]:
Deletes the value entered in the edit area.
[BACK]: Deletes the just entered figure (1-digit).
[SET]: Returns to the CAL. screen with the settings changed.