5.2.8 Adjusting display brightness
The brightness of the display can be adjusted over a limited range (20% to 100%) if
required.
1. Press F and S buttons simultaneously for approximately 5 seconds until the display
shows “LCAL”.
2. Rotate the dial until the display shows “disP” and press the S button to select.
3. Rotate the dial between the settings and select required brightness
The displayed values show the display brightness
4. Press S button to save the value.
5. Press F button to return to the normal temperature display