5. Instructions for the 3 operating modes and input/output prority of the BTA30Pro
Bluetooth receiving (BT RX):
Smart devices can be connected to the BTA30 Pro through Bluetooth and output audio through its line-out, coaxial output and optical output port.
Output priority: line out, coaxial output and optical output can all work at the same time. *Supports LDAC/aptX/aptX HD/AAC Bluetooth codec
Bluetooth transmitting (BT TX):
Input priority: short press button C to switch the input source.
Transmitting: the BTA30 Pro can be connected to Bluetooth receiving devices such as the FiiO BTR5 and BTR3K. Audio can be input to the BTA30 Pro through its USB input, coaxial input and optical input port.
BYPASS mode: after inputting audio to the BTA30 Pro through the optical input port, the audio signal can be transmitted to Bluetooth headphones. Meanwhile, it can also be connected to a speaker through the optical/coaxial output port.
*Supports LDAC/aptX HD/aptX LL/SBC Bluetooth codec.LDAC Bluetooth codec is supported in USB /Coaxial/Optical input mode.
*Under the mode of USB in and Bluetooth out, the volume knob can work.
DAC mode(DAC):
Input priority: short press button C to switch the input source.
Output priority:
1. USB DAC in: line out, coaxial output and optical output can all work at the same time.
2. Coaxial in: Only line out will work.
3. Optical in (not BYPASS mode): Only line out will work
4. Optical in (BYPASS mode): line out, coaxial output and optical output can all work at the same time.
*UAC 2.0 is supported. When connecting the BTA30 Pro to a Windows computer for the first time, please go to our website to download the USB DAC driver and follow the corresponding instruction to install it, so to enable the USB DAC function. For MAC computers, it runs driver-free.
USB Driver Download link: http://www.fiio.com/supports
*The coaxial input supports up to 384kHz/24bit and DSD128. The optical input supports up to 96kHz/24bit. The USB input supports up to 384kHz/32bit and DSD256.
*Support UAC driverless ad UAC 2.0. RCA line out is available for any input in DAC mode.