SC-04
Appendix A: Maintenance Mode • 79
3. For toxic gas cylinders, it is important to vent the regulator while installing it onto the
cylinder. Venting the regulator during installation helps prevent air from getting into the
cylinder and degrading the gas. Open the regulator by turning the knob counterclockwise
and install it onto the cylinder.
4. The instrument initiates alarm indications except for the buzzer. There is no buzzer
indication in the
GAS.TEST
menu even though the buzzer sounds in the event of a real
gas alarm condition.
5. Turn the regulator knob clockwise to close the regulator.
6. Unscrew the regulator from the calibration cylinder.
7. Remove the calibration cup from the SC-04.
8. Store the calibration kit in a safe and convenient place.
9. Press and release POWER MODE to return to the
GAS.TEST
item in Maintenance
Mode.
10. See “Entering Measuring Mode (START)” on page 85 to enter Measuring Mode.
Sensor/Battery Replacement Date (SEN.DATE)
The
SEN.DATE
item allows you to keep track of when the sensor and the batteries were
replaced.
1. While in Maintenance Mode, press AIR to scroll to
SEN.DATE
.
2. Press and release POWER MODE. The sensor replacement date displays.
3. Use AIR to scroll to the item whose replacement date you want to view or change.
4. To change the replacement date:
a. With the desired item displayed, press and release POWER MODE.
b. Press and release POWER MODE again to set the replacement date to the current date.
5. Use the AIR button to scroll to
ESCAPE
.
6. Press and release POWER MODE to return to the
SEN.DATE
item in Maintenance
Mode.
7. See “Entering Measuring Mode (START)” on page 85 to enter Measuring Mode.
SEN .DATE
2019
11 .2
SO2
2019
1. 1
BATTERY
ESCAPE
AIR AIR
AIR
