Frequently Asked Questions
This section contains information relevant to all 4D processor.
- Where can I find the documents related to my display module?
- I am entirely new to programming. Any advise on where to start?
- How can I update my display to the latest PmmC and/or Driver?
- Do 4D processors have a live video input?
- Do I need to purchase one of 4D’s USB Programming Adapters or Cables?
- Can I use a custom made or third party USB to Serial for programming?
- Can I retrieve my program code back from the display module?
- I think the touch panel on my display module is faulty. How can I test it?
- The touch calibration on my resistive touch display module is out, how can I calibrate it?
- What is a 4XE File?
- What is a 4FN File?
- How can I use 4XE file as a child program?
- Where can I find a 4XE or 4FN file?
- Can I call a .4XE or .4FN file from another .4XE or .4FN file?
- My widgets became corrupted after a while. What is the problem?
- What should I consider when selecting a microSD card?
- I am having problems communicating with my microSD card, what could be the problem?
- Is FAT format supported for the microSD?
- Can I change the orientation of the display modules in run time?
- When I change the orientation of the display module, does the origin of the touch screen change?
- Why does gfx_TriangleFilled command seem slower than drawing other filled shapes?