Harmony A2 - Buttons, Indicators & Function Table – Avantree Support

No.	Button	Function
①		- Press & hold for 2s to power on/off
②		- Press & hold for 3s to enter Bluetooth pairing manually
		- Single press to reconnect manually
		- Single press to switch to Classic Bluetooth mode
③		- Single press to switch to Auracast mode
③		- Press & hold to disconnect the current connection and search for broadcasts.
④	EQ	- Single press to switch between Balanced, Voice Clear & Bass modes
⑤	+ / -	- Press or hold to increase or decrease volume - Press & hold both together for 5 seconds to reset the speaker
⑥		- Single press to enable or disable mute (Auracast Broadcasting mode) - Single press to play or pause audio (Bluetooth mode) - Single press to answer or end a call

No.	Indicator	Meaning
A	Solid white	Power on
	Solid pink for 2s	Pairing information cleared
	Flashing red	Low battery
	Solid red	Charging
	Off	Fully charged or power off
B	Solid blue	Connected (Bluetooth mode)
B	Flashing red & blue	Pairing mode (Bluetooth mode)
C	Solid orange	Audio received (Auracast Broadcasting mode)
C	Flashing orange quickly	No audio received (Auracast Broadcasting mode)
D	White	Balanced mode
	Green	Voice Clear mode
	Blue	Bass mode

No.	Button	Function
⑦	ON / OFF	Slide to turn the transmitter ON / OFF
⑧	Phone / Pair	- Press to select Phone input - Press & hold for 4 seconds to enter Bluetooth pairing mode (Phone mode only)
⑨	AUX / OPT	Press to toggle between AUX and OPT inputs
⑩	+ / –	Press or hold to adjust the volume Press & hold both buttons for 10 seconds to clear pairing history

No.	Indicator	Meaning
E	Solid blue	Connected
E	Flashing red & blue	Pairing mode
F	Flashing red	Current sound mode is in use
F	Solid white	Audio input is detected
G	Solid orange	Auracast Broadcasting (Auracast mode active)