boytone BT-19DJM Operating Instructions Manual page 14

4. "DEL" will show on the display while the folder is being deleted until the deletion is
complete.
Deleting all files/tracks
1. Insert a USB storage device and SD card, then select USB/SD mode (as described
previously). When the system has recognised the device, press the stop
2. Press the delete DEL button: "ONE" will be flashing on the display. Press the
or SKIP DOWN
SKIP UP
Press the delete DEL button again to confirm.
3. While the system is deleting the files/tracks, the USB or SD icon will be flashing on the
display until the deletion is complete.
NOTE: Pressing the delete DEL button will completely delete all files/tracks on the USB
device or SD card.
Removing the USB device / SD card
 First move the function selector to another mode (tuner, phono, tape), then turn the
volume knob counterclockwise to turn off the power.
 To remove a USB device, pull it out of the USB port.
 To remove a memory card, press the memory card inwards and then release it. The
card will be released (partially ejected) and you can remove it by hand.
The auxiliary input
Listening to a CD (or other auxiliary input)
1. Turn the volume knob clockwise to turn the equipment on.
2. Use the function selector to select TAPE/AUX mode, then connect the external audio
device (such as a CD player) to the AUX IN socket at the front of the equipment. The
audio signal from the external audio device will now be played through the system.
3. If an external audio device is connected to the AUX IN socket, playing of the auxiliary
button to select "ALL" on the display.
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button.