User's Manual

HD1BT
9
MP3/USB OPERATION
Digital File Playback
If the user connects a USB mass storage device, the radio automatically powers on, if necessary,
and switches to digital file playback mode. Changing modes or turning off the radio pauses
playback. Playback shall resume exactly where paused when returning to digital file playback
mode.
Inserting a USB Device
Insert the USB device into the USB jack and display will show the “Loading…” message. The
unit will read the files on the USB device automatically.
MP3 Specifications
Notes on MP3 Playback
 Any directory that does not include an MP3 file is skipped
 Maximum number of folders: 512 (including skipped directories)
 Maximum number of folder levels: 12
 Maximum number of MP3 files: 999
 Maximum number of characters for MP3 file name and folder name: 32
 Sampling frequency: 16KHz, 22.05KHz, 24KHz, 32KHz, 44.1KHz, 48KHz
 Bit rates: maximum 384 Kbps
 Maximum number of Characters of ID3 Tag:
 ID3 Tag version 1.0: 32
 ID3 Tag version 2.x: 32
File Playing Order
Files will be continually played sequentially within the current folder. To play songs in another
folder, press the PTY/CAT button (14) twice to move up a folder level. Press the >>| (16) and
|<< (18) buttons to navigate the list and then press the ENTER button (17) to access the
selected song or folder.
File Playback
Accessing USB Mode
Press the MODE button (3) to select USB mode. USB mode will not be selectable unless a USB
device is connected.
Selecting Tracks
Press the >>| (16) or |<< button (18) to advance to the next track/ file. The selected track
number will appear on the display. Press and hold the >>| or |<< button to fast forward or fast
reverse. Playback begins when the button is released.
Play/Pause Playback
Press the ►|| button (2) to suspend playback. “Pause” is displayed on the screen.
Press the ►|| button again to resume play.
Previewing Tracks
Press the 2/INTRO button (6) to play the first 10 seconds of each track in the current folder
sequentially. Press 2/INTRO again to stop Intro Scan and resume normal play at the current
track.
Repeat Play
 Press the 1/REPEAT button (5) during disc play to repeat the current track.
 Press 1/REPEAT again to stop repeat play.
Random Play
 Press the 3/RANDOM button (7) during playback to play all tracks in the current folder in
random, shuffled order.
 Press 3/RANDOM again to stop random play.
Folder Navigation (MP3 Only)
 Press the PTY/CAT button (14) to view a list of all songs in the current folder.
 Press the >>| (16) and |<< (18) buttons to navigate the list.
 Press the ENTER button (17) to play the highlighted song or view files in the selected
folder. Continue pressing ENTER until the desired file is selected.
 Press the PTY/CAT button again to navigate up through the file structure.
 The unit will automatically exit the folder navigation menu after 5 seconds of inactivity.
NOTE: USB flash drives with a capacity of up to 64 GB are supported.