You can change the default functions of keys. Note that some system-level keys or Fn-layer commands might be restricted.
Many custom keyboard enthusiasts prefer open-source firmware like VIA or QMK for unlimited customization. . Some community members have asked about using VIA with TM680 "but NJ68, F12 are possible," implying that the TM680's proprietary firmware is locked. tm680 keyboard software
: If you see "Device is disconnected," ensure you are using the correct version (Wired vs. Wireless/Tri-mode) and try a different USB port . 3. Key Customization and Macros You can change the default functions of keys