GX-2003 Operator’s Manual Display Mode • 31
5. If the over range condition continues, you may need to replace the
sensor that has triggered the over range alarm.
6. If the over range condition continues after you have replaced the
sensor, contact RKI Instruments, Inc. for further instructions.
Responding to Battery Alarms
WARNING: The GX-2003 is not operational as a gas monitoring
device during a dead battery alarm. Take the Model GX-
2003 to a non-hazardous area and replace or recharge the
batteries as described in “Replacing or Recharging the
Batteries” on page 76
The Model GX-2003 is fully functional during a low battery warning.
However, only a limited amount of operating time remains,
approximately 1 - 2 hours. The amount of time depends on how often
the LCD backlight is used and how often the unit is responding to
alarm conditions. Recharge the battery pack or replace the alkaline
batteries as soon as possible as described in “Replacing or Recharging
the Batteries” on page 76.
NOTE: Alarms and the back light feature consume battery power
and reduce the amount of operating time remaining.
Responding to Sensor Failure Alarms
1. Determine which sensor has triggered the sensor failure alarm.
2. Try calibrating the sensor first, as described in “Calibration Mode”
on page 38 before replacing it.
3. If the sensor failure continues, replace the sensor as described in
“Replacing a Sensor” on page 80.
4. If the sensor failure condition continues after you have replaced
the sensor, contact RKI Instruments, Inc. for further instructions.
Display Mode
This section describes using the GX-2003 in Display Mode. With the
GX-2003 in Display Mode, you can:
• set the CH4 channel range
• set the user ID and station ID
• display peak readings
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