94 • Chapter 7: Changing GX-3R (Pro) Parameters
Deselected
: A password is not required to enter Maintenance Mode.
Battery Change
The
Battery Change
menu item allows you to keep track of when the battery was replaced. Click the
drop down menu and use the calendar to select a replacement date.
Sensor Tab
The
Sensor Tab
displays the alarm settings and auto calibration values for all installed sensors. It also
shows the date and time of the most recent calibration and bump test for each channel.
Alarm Points (Warning, Alarm, Alarm H, STEL, TWA)
View or change the alarm points for all channels. Factory settings are shown below.
Detection
Range
Warning
Alarm
Alarm H
STEL
TWA
Combustible
Gas
0 - 100% LEL
10% LEL
25% LEL
50% LEL
n/a
n/a
Oxygen (O
2
)
0 - 40%
volume
19.5%
volume,
decreasing*
18.0%
volume,
decreasing*
23.5%
volume,
increasing**
n/a
n/a
Hydrogen
Sulfide (H
2
S)
0 - 200.0 ppm
5.0
30.0 ppm
100.0 ppm
5.0 ppm
1.0 ppm
Carbon
Monoxide (CO)
0 - 2,000 ppm
25 ppm
50 ppm
1200 ppm
200 ppm
25 ppm
Figure 54: Sensor Tab