Fiio Pro BTA30 - Display of Indicator Light; RX Mode Indicator Behavior

G. Line out port
H. Optical output port
I. Coaxial input/output port
J. Optical input port
K. External antenna port
L. Power/Data port
M. USB input indicator light
N. Coaxial input indicator light
O. Optical input indicator light
P. BYPASS indicator light
Q. Bluetooth status/codec/
sampling rate indicator light
Display of Indicator Light
Working
modes
Bluetooth
status/codec/
sampling rate
indicator light (Light
Q)
Input source
indicator
light (Light
M/N/O/P)
Bluetooth connection
indicator light (Light
A/B)
RX
(Bluetooth
receiving)
SBC: Blue light
constantly on
AAC: Cyan light
constantly on
aptX: Purple light
constantly on
aptX HD: Yellow
Light off
Bluetooth
connected: Light A
on