Contents
Chapter 1 Introductions................................................................1
Buttons and ports.................................................................1
Pictorial guide to status bar .....................................................2
Chapter 2 Working Modes................................................................3
Android Mode......................................................................3
Pure Music Mode...................................................................3
USB DAC Mode......................................................................3
Bluetooth Receiving Mode..........................................................4
Chapter 3 Commonly-used Functions......................................................4
Gesture control...................................................................4
Connect M15 to the computer.......................................................4
Firmware upgrade..................................................................5
Screenshot........................................................................6
Languages & input.................................................................6
Force to reboot...................................................................7
Factory data reset................................................................7
Chapter 4 Wireless and Networks........................................................7
WLAN..............................................................................7
Bluetooth transmitting............................................................8
Chapter 5 Audio.......................................................................10
Output selection.................................................................10
SPDIF out........................................................................10
Gain.............................................................................10
Over-ear headphone mode ..........................................................11
Lowpass filter mode..............................................................11
Wireless playback quality ........................................................12
Channel balance..................................................................12
ALL To DSD.......................................................................13
Adjustable volume at LO..........................................................13
AirPlay..........................................................................14
Chapter 6 Display.....................................................................15
Indicator Light Control..........................................................15
Sleep............................................................................16
Display volume...................................................................17
Chapter 7 General.....................................................................17
Multifunction button.............................................................17
Navigation control...............................................................19
Power-off timer..................................................................19
HOLD switch setting..............................................................19
Double tap to wakeup.............................................................20
Disable charging.................................................................20
