QFX PBX-2100 Instructivo página 2

FRONT PANEL BUTTONS FUNCTION
PLAY/PAULSE
Under USB, TF or Bluetooth mode, press this button
to PAULSE and resume playing.
Under AUX, press this button to mute playing.
Under FM mode, short-press this button to MUTE the
FM program. Long-press this button to initiate the FM program
auto searching from 87.5MHz to 108MHz, and store the
programs.
MODE
Long-press this button to switch ON/OFF of the flashing LED
light. Short-Press this button to change the playing mode in
sequence of USB->TF->BT->AUX IN->FM. In case of no USB
and TF card plugged-in, default mode will be Bluetooth while
powered on.
NEXT
Under USB and TF mode, short-press to move to the next
song. Long-press to move to thenext Folder (if exists).