GPX ML552B User Manual
Skip/Search
Press to skip.
Press and
hold to search
through tracks.
Volume
Press to adjust
the volume.
Play/Pause
Press to play or pause the audio player.
Press and hold to turn the unit on or o.
M
RESET
MIC
HOLD
ML552B
Mini-USB Port
Volume +/Volume -/Hold
Press to adjust the volume.
Press and hold Volume-/
Hold to enter hold mode.
Menu
In play mode, press
to access and make
selections in the submenu. Use the Skip/
Search buttons to
navigate the sub-menu.
Press the Play/
Pause button to exit
the sub-menu.
Microphone
Stereo Headphone
Jack
Loading Files
1. Connect the unit to a computer
(Windows or Apple) and to the Mini-
USB Port using the included USB cable.
2. Once connected, the unit will show
up on the connected computer as if it
were a connected USB thumb drive,
external hard drive, or memory card.
3. Drag and drop the desired audio, video,
or photo les into the unit’s drive
location on the connected computer.
File Compatibility:
MUSIC: MP3, WMA
VIDEO: AMV
VOICE: WAV
PHOTOS: JPEG, BMP
4. After the les are loaded onto the
unit, right-click on the drive and
eject it from the computer, then
disconnect the USB cable.
Playing Music
1. Power the digital media player on by
holding the Play/Pause button.
2. Navigate to the Music icon on the
main menu using the Skip/Search
buttons, and press the Menu
button to enter Music mode.
3. Press the Play/Pause button
to begin playing music from
your digital media player.
4. Press the Skip/Search buttons to
skip through tracks, or press and hold
to fast forward or rewind a track.
5. Press and hold the Menu
button to the main menu.
File Compatibility:
MUSIC: MP3, WMA (non-DRM), WAV
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