The proprietary HID buttons require the manufacturer’s software. The default Windows Camera app ignores these buttons. Solution: You must use the bundled software (e.g., Micro Capture Pro). If lost, try OBS Studio with a plugin called "UVC Controls" or use AMCap (freeware version).
However, the Andowl Q-500 does not possess the complex digital architecture required for high-bandwidth multi-channel data transmission via USB. When a user plugs the Q-500 into a PC via the USB port, the computer does not recognize it as an external sound card or a multi-channel audio interface. Instead, the operating system (such as Windows) recognizes it as a . andowl q-500 driver