RKI Instruments EAGLE 2 Manual - Manual (Page 238)

228 • 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?