Fiio X5 User Manual page 4

3)Shortcuts key / main menu: Press briefly to show / hide shortcuts context
menu; hold to return to main menu.
4)Back / main menu: Press briefly to go back up one menu level; hold to
return to main menu.
5)Scroll wheel: Freely rotatable, turn the wheel clockwise to scroll down / right,
choose the next item on the menu or adjust the level / value / choice etc. for the
selected menu item; turn the wheel counter-clockwise to scroll up / left, choose
the previous item on the menu or adjust the level / value / choice etc. for the
selected menu item in the other direction.
6)OK / Play / Pause:
In "Now Playing" screen: press briefly to play / pause;
In menus: press briefly to enter the submenu of the selected item, adjust the
level / value / choice of the selected item (using the scroll wheel for items with
numerical value or many choices, or alternating between choices using the OK
button directly for other items);
In other dialogs: press briefly to confirm actions (press other buttons to cancel);
Volume control: Hold down this button at any time to pop up the volume
control dialog and adjust the volume using the scroll wheel.
7)Previous song / up:
In "Now Playing" screen: press briefly to select the previous song for playback,
hold down to rewind the current song;
In menus: press briefly to choose the previous item on menus.
8)Next song / down:
In "Now Playing" screen: press briefly to select the next song for playback,
hold down to fast-forward the current song;
In menus: press briefly to choose the next item on menus.
9)Volume "+"/"-" buttons: press briefly to change volume by one
increment, hold down to change volume continuously until the maximum
volume ("+" button) is reached or the player is muted ("-" button)
10)Charging indicator: red while charging, green when fully charged.
11)USB data / charging port: for data exchange, battery charging, USB audio
connection (when acting as USB DAC), USB OTG storage expansion.
12)TF / Micro SD card slots: Dual TF card slots, each supporting TF cards up
to 128GB.
13)Line out port: 3.5mm analog audio line out port for connection to other
amplifiers, such as the FiiO E12.
14)Coaxial output: 3.5mm coaxial digital audio output port, for connection to
equipment with coaxial digital inputs. Headphone and line out ports will be
muted when the coaxial port is connected.
4