Steps to display the date of the last completed calibration and bump test for G8.

1. From the Gas info menu, scroll to, then select Last completed by pressing the center button.
   
   The last completed screen opens, displaying the date of the last completed calibration and bump test for your device.

   If your device sensor did not successfully complete the calibration or bump, the status displays as FAILED.

2. Press the center button to close the screen and return to the Gas info menu.