Fiio Pro BTA30 - TX Mode Indicator Behavior; DAC Mode Indicator Behavior

light constantly on
LDAC: White light
constantly on
TX
(Bluetooth
transmitting)
SBC: Blue light
constantly on
aptX: Purple light
constantly on
aptX HD: Yellow
light constantly on
aptX LL: Green light
constantly on
LDAC: White light
constantly on
USB in: Light
M on
Coaxial in:
Light N on
Optical in:
Light O on
BYPASS:
Light P on
PAIR 1 connected:
Light A on
PAIR 2 connected:
Light B on
PAIR 1 & 2 both
connected: Light A
and B
simultaneously on
Note: PAIR 1 is
prior for first-time
connection as
default
DAC
Power on yet
unconnected: Blue light
flashes twice every 2
seconds
Connected yet not
playing music: Blue
USB in: Light
M on
Coaxial in:
Light N on
Optical in:
Light O on
Light off