: The primary appeal is the ability to bypass the "PC-to-SD-card" shuffle. Being able to type a search command (e.g., #s5 for specific search filters) and instantly pull down a game or utility feels modern while maintaining the retro charm.
In this context, version 1.5.3 of the firmware or control software allows users to manually set light calibration offsets and enable firmware upgrades. zxdl 1.5.3