Samsung UN19D4000 E-Manual page 87

If there is only one photo file in the USB, the Slide Show will not play.
N
N A folder with a name that is too long cannot be selected.
Each USB device you use is assigned its own folder. When using more than
N
one of the same type of USB device, make sure the folders assigned to each
USB device have different names.
It is recommended that you use a USB memory stick and a multi card reader
N
when using
The
N On Timer
MP3 players, or PMPs made by some manufacturers because these devices
◀
take a long time to be recognized.
On Timer.
function may not work with USB devices with a built-in battery,
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