Skip to main content
4D Systems Helpdesk Help Centre home page
Submit a request
Sign in
  1. 4D Systems Helpdesk
  2. Core Display Solutions
  3. Frequently Asked Questions

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?
  • Can I retrieve my project from the display?
  • Can't reprogram the display. Display is not responding, why?
  • Display is flashing/resetting consistently, what could be the problem?
  • Project stuck in mounting the microSD card what could be the problem?
  • How can I update my display to the latest PmmC and/or Driver?
  • Can I use the display as a slave device?
  • Do 4D processors have a live video input?
  • Do I need 4D System’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?
4D Systems Helpdesk
Powered by Zendesk