Use this to cycle between Bluetooth (BT) , USB , and SD card modes.
Input ports for flash drives and cards playing MP3 or WAV files. Mode Button: Cycles through input sources. alien pro vector 15 manual
The Vector 15 features a gold-plated USB interface. Plug it directly into a USB 3.0 port on your motherboard for the lowest possible latency. Avoid using unpowered USB hubs. Use this to cycle between Bluetooth (BT) ,
