116 • Using Maintenance Mode
Gas Tracer Operator’s Manual, CSA Version
7. Use the AIR
▲
or (SHIFT)
▼
buttons to alternate between the 3-gas and the
%volume combustible gas calibration values screens.
8. The gas concentrations displayed in the calibration values screens must match
the gas concentrations listed on the calibration cylinders. If all concentrations
match, go to step 16. If one or more concentrations do not match, continue with
step 9.
9. To adjust the values on the screen, hold down the (SHIFT)
▼
button, then press
the DISPLAY(ADJ) button and release both. %LEL sensor is shown here.
10. If necessary, use the AIR
▲
and (SHIFT)
▼
buttons to scroll through the sensors
and select whose calibration gas value you want to adjust.
11. Press and release the POWER ENTER button. The sensor’s calibration gas
value will begin to flash.
12. If necessary, use the AIR
▲
and (SHIFT)
▼
buttons to set the correct calibration
gas value.
13. Press and release the POWER ENTER button to save the change.
14. Repeat steps 10 through 13 to set the correct values for any additional sensors.
15. After the last calibration value is set, use the AIR
▲
button to scroll to ESCAPE
and press POWER ENTER to return to the calibration gas values screens.
50
12.0
50
%LEL
%
ppm
MAINTENANCE
CH
4
O
2
AUTO CAL
CO
100
vol%
MAINTENANCE
CH
4
AUTO CAL
- - -
%LEL
MAINTENANCE
CH
4
AUTO CAL
