Rae Q-RAE, Operation And Maintenance Manual

Page: 87 / 170

PROGRAMMING
4 - 39
5. The display shows “Save new gas?” To confirm the
new gas, 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 step.
6. Display shows
Methane
LEL Factor = 1.00?
where “1.00” is the calculated correction factor of the
selected gas in Step 4.
7. If the user does not want to modify the LEL correction
factor, press [Y/+] key and go to Step 8. To modify this
factor, press [N/-] key first. Then starting from the left-
most digit, use the [Y/+] or [N/-] key to change the digit
value and press the [MODE] key momentarily to
advance to the next digit. The flashing digit will move
on to next digit to its right. Repeat this process until all
4 digits of the new factor are entered. Press and hold
the
[MODE]
key for 1 second to exit data entry mode.
If there is any change to the existing value, the display
shows “Save?” Press the
[Y/+]
key to accept the new
value and exit the gas selection sub-menu. Press the
[N/-]
key to discard the changes.