RKI Instruments GX-2012 Manual - Manual (Page 47)

GX-2012 Operator’s Manual Measuring Mode, Alarms • 39
continues to display the current alarm level.
The gas reading must fall below (or rise above for an oxygen low alarm) the
low alarm setting before you can reset the alarm. Press the RESET SILENCE
button to reset the alarm. The LEDs turn off and the GX-2012 alarm
indications on the display turn off.
With ALRM SLNC OFF and LATCHING ON:
The gas reading must fall below (or rise above for an oxygen low alarm) the
low alarm setting before you can reset the alarm. Press the RESET SILENCE
button to reset the alarm. The LEDs and buzzer turn off and the GX-2012
alarm indications on the display turn off.
NOTE: With ALRM SLNC set to OFF in Maintenance Mode, you cannot
silence the buzzer while the gas reading is above (below for an
oxygen Low Alarm) the low alarm setting.
Responding to Alarms
This section describes response to gas, over range, battery, and sensor failure
alarms.
Responding to Gas Alarms
1. Determine which gas alarm has been activated.
2. Follow your established procedure for an increasing gas condition or a
decreasing oxygen condition.
3. If necessary, reset the alarm using the RESET SILENCE button once the
alarm condition has been cleared.
Responding to Over Range Alarms
WARNING: An over range alarm may indicate an extreme combustible
gas, toxic gas, or oxygen concentration. Confirm a normal
condition with a different GX-2012 or with another gas
detecting device.
1. Determine which gas alarm has been activated.
2. Follow your established procedure for an increasing gas condition.
3. Reset the alarm using the RESET SILENCE button once the alarm
condition has cleared.
4. Calibrate the GX-2012 as described in the calibration section of this
manual.