AirLink 6940XP Operator’s Manual
Sensor Settings and Calibration
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4. Once all relays have been tested, press
SUB
to return the alarm test reading back to zero and
to deactivate the controller alarm(s).
5. Press
MENU
or
BACK
to return to the Sensor Settings menu.
Background Setting (High/Low for O
2
Sensors)
The background setting is the gas reading at which the radio transmission changes from once
every minute to once every five seconds. The background setting is adjustable so that a consistent
level of gas presence does not increase the radio transmission rate.
Oxygen sensor assemblies have 2 setpoints: L (for readings below 20.9%) and H (for readings
above 20.9%).
1. If necessary, enter the Product Settings and Configuration menu by pressing and holding
MENU
for approximately 6 seconds.
Press and release
ADD
or
SUB
to navigate to the desired sensor settings menu, then press
MENU
to select the menu.
2. Press and release
ADD
until the Background (Background High for O
2
versions) menu item
appears. Press
MENU
to select the Background menu item.
Non-O
2
Sensor
Assemblies
O
2
Sensor
Assemblies
Default
4% of full scale
L: 19.0%
H: 22.0%
Minimum
1% of full scale
11.0%
Maximum
10% of full scale
24.0%
Non-O
2
sensor O
2
sensor
