Using Mac or Chromebook, you can reprogram the keys in Keystroke Mode

Using two alligator clips, connect the Up port to the Down port, and separately the Left port to the Right port.  Then open the Chrome browser and click this link:

https://deqingsun.github.io/webUSBTest/funkey/funkeyRemap.html

Choose the new assignments for keystrokes as shown in the app, and then click "program"