Hi @viejotejo Welcome to the Forum, just to double check, I have found the following on the manual. Could you confirm that the described process to dim and set the back light does not work on your machine? 17.9. Backlight You can use this function to set the display backlight: − Dim the display in standby mode or operating mode after a set time − Brightness of the display Set timeout Select Timeout: and select On, 10, 20,30, 45,60, 90, 120 or 180 seconds by turning the OK rotary dial. Display Power-on Level Select Power-on Level by rotating and then pressing the OK rotary dial, and set the desired brightness level to High, Medium or Low. Display Standby Timeout Select Standby Timeout: and select ON, 10, 20,30, 45,60, 90, 120 or 180 seconds by turning the OK rotary dial. Display Standby Level Select Standby Level by rotating and then pressing the OK rotary dial, and set the desired brightness level to Medium or Low. You can download the full manual here. As far as I know there hasn't been any advisories or issues of this kind reported.
... View more