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5.
The Meter prompts to apply the CAL Gas. Attach the mixed
CO and CO
supplied hose or press 3 [SKIP] to exit.
The Meter calibrates the CO sensor. Press 3 to cancel.
6.
When finished, remove gas and press 3 [OK]. Enter the
time to next calibration date. Use 1[DOWN] and 2[UP]
to change the number and 3[ENTER]to store the number.
When either CO or CO
calibration date is reset by the user.
CO calibration is now complete and the Meter exits calibration
mode.
Calibrating the CO
To calibrate the CO
1.
If not already in calibration mode, with the calibration cap on,
press L, R, and S simultaneously for 3 seconds to
enter calibration mode.
Press 1 [Yes] to initiate the calibration procedure or
2.
press 3[Cancel] to exit calibration mode.
Press 2[CO
3.
4.
Specify one-point or two-point calibration methods. The one-
point method uses CAL gas only. The two-point method
uses CAL gas and also Neutral gas (Nitrogen).
If one-point is chosen:
Use 1 [DOWN] and 2[UP] to choose the CAL gas
1.
concentration.
Press 3[ENTER] to enter the concentration.
2.
Apply the CAL gas and press 2[OK], press 3 [SKIP] to
3.
exit calibration mode. The Meter will now calibrate the CO
sensor for 2 minutes. press 3 [Cancel] to exit calibration
mode If calibration fails, repeat the procedure. If it fails a
second time, have the Meter serviced.
4.
The Meter finishes the procedure then prompts the user to
enter the time until the next calibration. Enter the amount
using 1[DOWN] and 2[UP] to change the number and
3[ENTER] to store the number.
If two-point is chosen:
Apply the neutral gas (Nitrogen) or press 3 [Cancel] to
1.
exit calibration mode.
calibration gas canister to the Meter via the
2
sensors are calibrated, the
2
Sensor
2
sensor:
2
].
2
Note
2
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