30 • Measuring Mode, Alarms GX-2003 Operator’s Manual
the alarm level when the button was pressed, the LEDs continue to
flash, and the GX-2003 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-2003 alarm indications on the display turn off.
With ALARM SILENCE OFF and ALARM 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-2003 alarm indications on the display turn off.
NOTE: With ALARM SILENCE set to OFF in Setup 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 condition may indicate an extreme
combustible gas, toxic gas, or oxygen concentration.
Confirm a normal condition with a different GX-2003 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-2003 as described in the calibration section of this
manual.
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