I have difficulties to use my product(s) even after reading the user guide; can you provide specific assistance? 11 October 2022 16:24 Updated To get assistance regarding your product functionality you can reach us via our contact form. Related articles Where can I download new firmware, updates etc. for my device? Wrong link to registration page and Download page for user manual Dust on the sensor Where can I download the information on the GRIII HDF or GRIIIx HDF camera? GRIIIx manual download page.