204 • Infrared CO
2
Calibration
EAGLE 2 Operator’s Manual
5. The Calibration Mode Screen displays with the cursor next to
AUTO
CALIBRATION
.
6. Move the cursor to the
PERFORM AIR ADJUST
menu item by using the RANGE
▼
SHIFT button.
7. Remove the black caps from the ends of the carbon dioxide scrubber. Be sure to grab
the scrubber by the EAGLE 2 fitting so that the fitting and tubing do not come off.
8. Attach the CO
2
scrubber to the inlet fitting of the EAGLE 2 and allow the instrument
to draw gas for 1 minute before performing an air adjust.
NOTE:
Attaching the CO
2
scrubber to the inlet fitting eliminates the background CO
2
found in fresh air and allows the EAGLE 2 to obtain an accurate zero reading.
9. Press and release the POWER ENTER RESET button. The following screen appears.
10. Press and release the AIR
▲
YES button to continue.
If you do not want to continue, press the DISPLAY ADJUST NO button and the unit
will return to the Calibration Mode Screen.
CALIBRATION MODE
> AUTO CALIBRATION
SINGLE CALIBRATION
PERFORM AIR ADJUST
NORMAL OPERATION
CALIBRATION MODE
AUTO CALIBRATION
SINGLE CALIBRATION
> PERFORM AIR ADJUST
NORMAL OPERATION
PERFORM
AIR ADJUST?
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