Honeywell 301C User Manual page 65

1. On the first line, scroll to the device address and press Enter
2. Scroll through the devices to display the desired device* and press
Enter to select.
3. The second line displays the device's status
4. Scroll to select the desired function, Set Zero to set the device's
zero, and press Enter to select.
5. Upon pressing Set Zero, the controller requests confirmation.
*The device must be configured in the 301C controller's database in
order to be included in the device addresses displayed on screen.
6. Press Enter to confirm or Esc to cancel. If confirmed, the controller
calibrates the sensor's Zero. This takes only a few moments and
the display returns to the default calibration screen.
Note: Never calibrate any unit's Zero with ambient air. Always use
Nitrogen (N ) at the calibration port to calibrate the Zero.
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