4. Operating System and Equipment
4.7.1
1
Precautions for Use of USB
Please carefully read the following precautions
before USB play:
1. If the engine has been started, maintain USB
device connected. Starting the engine under
the connection of USB device may damage
the USB device.
2. When the engine is started or shut down under
the connection of USB device, the USB device
may not react.
3.
Files not in standard formats such as MP3
and WMA probably cannot be played.
4. MP3 file can be played only when the
compression ratio is 8 Kbps ~ 320Kbps and
WMA file can be played only when the
compression ratio is 32 Kbps ~ 320 Kbps.
5. The connection of USB device may be not
identified due to the status of the USB device
occasionally.
6. USB device in the format of FAT16/32 only
can be read.
7. USB device may not work because of
compatibility, so please confirm the USB
device can work before use.
8. Do not let your body or other things touch the
joint of USB device.
9. USB device may be damaged by repeated
plugging in a short time.
10. Suddenly unplugging USB device during file
playing may damage USB device or cause
abnormal conditions. So, please turn off audio
system or switch to other play modes before
unplugging USB device.
11. The duration for identifying the connection of
USB device varies with the type of USB device,
memory or format of file saved.
12. Do not use USB interface for charging,
because this may reduce the product
performance or result in fault.
13. USB device may be not identified when
ordinary USB or extended cable is used, so
please directly connect USB device to USB
interface.
14. If MP3 PLAYER, mobile phone or digital
camera connected cannot be identified, the
head unit may not work properly.
15. SD Type USB memory stick or CF type USB
memory stick and other USB devices for
connecting Adapter may be not identified.
16. USB device may be poorly connected due to
car vibration.
17. Do not unplug USB device immediately during
the playing of USB video, otherwise, USB
device may be damaged.
18. The more files, the longer time for opening and
playing USB; for rapid read, make files copied
to USB as few as possible and try not to place
irrelevant files (e.g. APPs, maps).
19. For playing USB, the opening time may vary
with different music, video or image files (for
example, longer time is required for opening
image files occupying large memory space,
high-definition video and audio); too long
opening time may result in restart.
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