James TVJ LED S49 D1202 4K, Operation Manual

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13
Chapter 4
Attention and Frequently
Asked Questions
Attention:
Some non-standard mobile storage device may
not be recognized. Please change to use the
standard device.
Note: For coding files, there are many kinds non-
standard coding method, so this system c an not be
guaranteed to support the file formats using any coding
method.
Frequently Asked Questions:
1. Under the following conditions, this system cannot
decode the file and the file cannot be play normally:
-The parameters of file, such as the pixel of picture,
code rate of audio and video file, sampling rate of
audio file, exceed the limit of the system;
-The format of file is not matched or the file is harmed.
2. Hot plug: Do not disconnection when the system is
reading or transmitting data, avoid damaging the system
or the device.
3. Pay attention to the power supply of the device when
you are using a mobile hard disk or a digital camera.
If the power supply is not sufficient or not stable, you
may encounter problems during operating or can not
operate at all. In this case, please restart the device,
or unplug the device and plug it again, and ensure that
its power supply is normal.
4. The system supports standard USB devices, such as
standard U-disks, MP3 players, mobile hard disks, etc..
5. For obtaining better audio and video quality, suggests
to use the external device which accords with USB2.0
standard.
6. When playing the video with high compression ratio,
these phenomenons, such as picture standstill and
menu long time response, are normal.
7. For some USB device with power supply, such as large
size hard disk, MP4, etc., suggests using it with power
to avoid electric power shortage.