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· FAQ
Q: Picture quality is not fluent and stable?
A：1) Please check and make sure all HDMI cables are connected well.
2) Try to connect the source device to display device directly, or change
to another source device for a try to see the picture quality.
Q：Display image black screen, don't display?
A：1) Please check whether the signal source output resolution is the
supported by the product.
2) Please check whether the HDMI cable is firmly connected and plug the
HDMI cable again.
3) Please check whether the HDMI output is turned off by using RS-232
command.
Q：NO response when using RS-232 control to send instructions to switch
splicing modes?
A：1) Only when the dip switch is set to '111'can it be switched by RS-232
instruction.
2) Confirm whether the baud rate of the product is consistent with the
settings of the serial port tool, the default baud rate of the product is
9600.
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· Specification
Items
HDMI Input
HDMI Output
Compatibility
Video signal
Resolutions
3.5mm Output
Video signal
HDMI Output
Mode
DIP Switch
Splice Settings
RS-232 (GND/
RxD/TxD)
Power Supply
Power
Power
Consumption
Working
temperature
Operating
Storage
Environment
temperature
Humidity
Housing
Physical
Properties
Weight
Description
1x HDMI
4x HDMI
HDMI 1.4
HDCP 1.4
1080P@60/50/30/25/24Hz, 720P@60/50Hz,
576P@50Hz, 480P@60Hz, 1920x1200@60Hz,
1680x1050@60Hz, 1600x900@60Hz,
1600x1200@60Hz, 1440x900@60Hz,
1400x1050@60Hz, 1366x768@60Hz,
1360x768@60Hz, 1280x1024@60Hz,
1280x960@60Hz, 1280x800@60Hz,
1280x768@60Hz, 1024x768@60Hz,
800x600@60Hz, 640x480@60Hz
PCM
PCM
1x1/2x1/1x2/2x2/3x1/1x3/4x1/1x4
Default baud rate: 9600
Only when the dip switch is set to '111' can the
splicing mode be switched by RS-232 instruction
DC5V/1A
＜4W
-20℃~60℃
-30℃~70℃
0~90%RH（No condensation）
Iron
381g
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