This is how to change the emission factor of the probe:

1. Unscrew and remove the cover.

2. Press the enter button to enter setup mode. The button will light red.

3. Press arrow buttons until the cursor on the display is above the “ε”

4. Press the enter button to select the emissivity setting mode.

5. Press the arrow buttons to adjust the emission factor.

6. Press the enter button to exit the emissivity setting mode.

7. Press the enter button to exit the setup mode.

8. Mount to cover.