34 • T3A Transmitter
Relay 2: Fail-Safe Setting
1. If necessary, enter the Product Settings and Configuration menu by pressing and holding
the MENU button for 6 seconds.
2. Press and release the MENU button until the Relay 2 Failsafe screen appears.
3. Use the ADD and SUB buttons to select the desired fail-safe setting for Relay 2. Select
“Yes” to turn the fail-safe setting on, or select “No” to leave the fail-safe setting off.
4. Press and release the MENU button to move through the Product Settings and
Configuration menu or to exit to the normal operating mode screen.
Fault Terminal Fail-Safe Setting
The Fault Terminal Fail-Safe status behavior can be adjusted to either activate during a fault
condition or deactivate during a fault condition. The default setting is to deactivate during a
fault condition, this setting should only be adjusted if the opposite behavior is desired.
Fault Terminal: Fail-Safe Setting
1. If necessary, enter the Product Settings and Configuration menu by pressing and holding
the MENU button for 6 seconds.
2. Press and release the MENU button until the Fault Terminal Failsafe screen appears.
3. Use the ADD and SUB buttons to select the desired fail-safe setting for the Fault
Terminal. Select “Yes” to turn the fail-safe setting on, or select “No” to turn the fail-safe
setting off.
4. Press and release the MENU button to move through the Product Settings and
Configuration menu or to exit to the normal operating mode screen.
Calibration Method
The calibration method selection allows you to choose how you calibrate the sensor element.
Manual calibration is the default method for all gas types.
Manual calibration lets you use the ADD and SUB buttons during calibration to match the
reading shown on the screen to the value of the gas being applied.
Auto calibration will set the reading, after a predetermined amount of time, during calibration
to the value entered during the auto calibration setup process.