LS4 manual
www.kystar.com.cn
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The video processor is equipped with a contrast setting function, which can directly control
the contrast of the LED large screen, see the control menu table for details.
（8）、Freeze
This function is divided into two types: image activity and image still, which is equivalent to
the start and pause functions of the player.
（9）、Brightness
The video processor is equipped with a contrast setting function, which can directly control
the contrast of the LED large screen, see the control menu table for details.
（10）、Master
There are 11 functions including mode shortcut key, keyboard lock, play type, play memory,
online upgrade, device information, sharpening setting, sound setting, resend config and readback
config.
①
When mode shortcut key enabled, the numbers 1-5 on the front panel only correspond to 5 user modes
②
In order to prevent users from misoperation on the device, the video processor provides a keyboard
lock function. When it is turned on, press MENU 10 to unlock it.
③
There are two types of playback: playing video and browsing pictures. You can put videos or pictures
on the large LED screen to enjoy.
④
The playback memory is to record the current playback progress. When switching back to the signal
source again, you can continue playback without starting from the beginning.
⑤
Online upgrade is used as video processor software upgrade and update. Copy the upgrade program to
the U disk, insert it into the processor, and click this function to upgrade.
⑥
The device information includes the device name, the number of large screen points, the number of
network cables with load, and the load size of the other world network port.
⑦
Sharpening settings can increase the clarity of the picture
⑧
Sound settings can set the audio input that matches the signal source
⑨
The retransmission configuration can be directly written to the receiving card parameters through the
processor after the receiving card is replaced, without sending from the host computer.
⑩
The readback configuration can directly read the device parameters from the receiving card after replacing the
video processor, without sending from the host computer.
