QRAE II User Guide
Page 44
Set Calibration Due. Set a Calibration Due day, which can create an alert during startup
whenever a calibration must be performed.
1. Press [MODE] to step from Save and Quit and to advance through the digits.
2. Press [Y/+] to advance from 0 through 9. If you press [Y/+] when 9 is selected, it
“wraps” around to 0 and begins counting up again each time you press [Y/+].
3. Press [MODE] to step to Save or Quit.
4. Press [Y/+] to commit your change or to exit to the next menu item.
Enable/Disable Power On Zero. This sets an optional step after the QRAE II starts up,
pausing to ask whether you want to perform a zero (fresh air) calibration. After startup,
the display says, “Fresh Air calibration?” The options are “OK” and “Cancel.” If you
choose “OK,” you see “Calibration in progress...” This is followed by a countdown. At
the end of the countdown, the display shows the four sensors, each followed by the word
“Zeroed.” If you do not want a zero calibration, you can select “Cancel.”
1. Press [MODE] to step from Save to Quit to the up or down arrow.
2. Choose Enable or Disable by pressing [Y/+].
3. Press [MODE] to step to Save or Quit.
4. Press [Y/+] to commit your change or to exit to the next menu item.
Back. Press [MODE] to return to the top of the Change Sensor Configuration menu, or
[Y/+] to exit the Change Sensor Configuration menu and return to the Programming
Mode menu.
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