Figure 1. Calibration menu view in Insight PC software. Figure 1 describes the calibration and adjustment selections in Insight. 1 Calibration information: enter information about the latest calibration (date, text description) in this tab. Also includes the calibration interval and calibration reminder selections. 2 Factory calibration: shows read-only information about the factory calibration. 3 Zero point adjustment: adjusts the zero point signal (simultaneously for all gas measurement parameters). This adjustment replaces the low end adjustment in 2-point adjustments. 4 Compensation setpoint configuration for the calibration and adjustment environment. 5 Methane (CH4) measurement adjustment tab. In 2-point adjustments, use this tab for high end adjustment and the zero point adjustment for low end adjustment. 6 Carbon dioxide (CO2) measurement adjustment tab. In 2-point adjustments, use this tab for high end adjustment and the zero point adjustment for low end adjustment. 7 Temperature measurement adjustment tab. 8 Adjustment data tabs show the latest stored adjustment for each parameter. Use the scroll arrows next to the menu tabs on the left and right edge of the view to view all tabs. Connect to Insight (see Connecting to Insight software), Select > Calibrate > Yes. Select one of the adjustment options in the Calibrate menu and see the separate instructions for each option.