Fiio JM21 - Table of Contents

3
Buttons and ports..........................................................................................................................5
1. Pictorial guide to buttons and ports........................................................................... 5
2. Instructions for buttons and ports ...............................................................................5
Status bar and display page....................................................................................................... 7
Instructions for entry-level functions...................................................................................... 8
1. Five working modes......................................................................................................... 8
2. How to connect the JM21 to a computer................................................................10
3. How to upgrade firmware?.......................................................................................... 11
4. How to install third-party apps?................................................................................. 12
5. How to change the language?.................................................................................... 12
6. How to enable the USB DAC function?.................................................................... 13
7. How to use the JM21 as a Bluetooth transmitter?................................................14
8. What power supply adapter is suggested to charge the JM21?...................... 15
Introduction to Settings menu................................................................................................ 16
WiFi.................................................................................................................................................. 16
Bluetooth........................................................................................................................................17
Bluetooth transmitting.......................................................................................................17
Bluetooth receiving............................................................................................................. 19
Audio............................................................................................................................................... 20
Gain..........................................................................................................................................21
Lowpass filter mode............................................................................................................21
Bluetooth Audio Encoder.................................................................................................. 22
Balance....................................................................................................................................22
All To DSD.............................................................................................................................. 22
Adjustable volume at LO................................................................................................... 23
Display.............................................................................................................................................23
Global.............................................................................................................................................. 25
Double tap to wakeup........................................................................................................26
System.............................................................................................................................................27
Languages & input..............................................................................................................27
Reset options........................................................................................................................ 28
FiiO Music APP............................................................................................................................. 29
Instructions for commonly-used functions..........................................................................36
1. Screenshot.........................................................................................................................36
2. USB Audio digital output..............................................................................................36
3. FiiO Link Bluetooth control.......................................................................................... 36
4. FiiO Link Wifi control......................................................................................................37
5.How to use the DLNA function?.................................................................................. 37