PROGRAMMING
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4.4.4 Changing the Span Value
This function allows the user to change the span values of
the calibration gases.
1.
“Change Span Value?” is the fourth sub-menu item in
the Calibration sub-menu.
2.
Press [Y/+], display shows the gas name and the span
value. A cursor will blink at the first digit of the Span
value. To modify the span gas value, go to Step 3.
Otherwise, press and hold the [MODE] key for one
second to accept the previously stored span gas value
and move to the next sub-menu.
3.
Starting from the left-most digit of the span gas value,
use the [Y/+] or [N/ ] keys to change the digit value and
press the [MODE] key momentarily to advance to the
next digit. Repeat this process until all digits are
entered. Press and hold the [MODE] for one second to
exit.
4.
The display shows “Save?” To accept the new value,
press the [Y/+] key. Press the [N/ ] key or the [MODE]
key to discard the change and move to the next sub-
menu.
Note: The minimum span gas concentration is 1 ppm.
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