128 • Using Maintenance Mode
Gas Tracer Operator’s Manual, CSA Version
7. To adjust the value on the screen, hold down the (SHIFT)
▼
button, then press
the DISPLAY(ADJ) button and release both. The calibration gas value turns
into three dashes.
8. Press and release the POWER ENTER button. The sensor’s calibration gas
value will flash.
9. If necessary, use the AIR
▲
and (SHIFT)
▼
buttons to set the correct calibration
gas value.
10. Press and release the POWER ENTER button to save the change.
11. Use the AIR
▲
and (SHIFT)
▼
button to scroll to ESCAPE and press POWER
ENTER to return to the calibration gas value screen.
12. With the calibration value screen displayed, press the POWER ENTER button.
AUTO CAL begins to flash and the current gas reading is displayed. If you
want to exit back to the main menu without completing a calibration, press
and release the DISPLAY (ADJ) button.
13. Connect the humidifier from the demand flow regulator to the rigid tube on
the probe. Allow the gas to flow for two minutes.
- - -
ppm
MAINTENANCE
CH
4
AUTO CAL
0
ppm
MAINTENANCE
CH
4
AUTO CAL