Rae Q-RAE, Operation And Maintenance Manual

Page: 64 / 170

PROGRAMMING
4 - 16
4.4.4 Modify Span Gas Value
This function allows the user to change the span values of
the standard calibration gases.
1. “Modify Span Gas Value?” is the next sub-menu item
in Table 4.3.
2. Press the [Y/+] key. The display shows:
50 25
50 span 20.9
A cursor is blinking at the first digit of the first span
value. If the user wants to modify any one of the span
gas values, go to Step 3. Otherwise, press and hold the
[MODE]
key for 1 second to accept the previously
stored span gas value and move to the next calibration
sub-menu.
3. Starting from the left-most digit of the span gas value,
use [Y/+] or [N/-] key to change the digit value and
press [MODE] key momentarily to advance to next
digit, the cursor will move to the next digit to the right.
Repeat this process until all span gas values are entered.
Press and hold the
[MODE] for 1 second to save the
new calibration gas value.
4. The display shows “Save?” To confirm the new value,
press the [Y/+] key to accept the change. Press the [N/-]
key or the [MODE] key to discard the change and move
to the next calibration sub-menu.