HDMI Matrix Switcher
PTN Electronics Limited www.PTN-electronics.com
2~3 seconds and recover again. And, MHD44 will send out a RS232 feedback command “EDIDMOn.”
or “EDIDMoff.”.
7. Operation of the Control Panel
7.1 Front Panel Description
“AV” AV synchronal button: To transfer video and audio signal synchronously by the switcher
Example: To transfer both the video and the audio signals from input channel No.3 to
output channel No.4.
Operation: Press buttons in this order “AV”,“3”,, “4””.
“VIDEO” Video button: To transfer only video signals from input channel to output channel
Example: To transfer video signals from input channel No.3 to output channel No.4.
Operation: Press buttons in this order “VIDEO”, “3”, “4”.
“AUDIO” Audio button: To transfer only audio signals from input channel to output channel
Example: To transfer audio signals from input channel No.2 to output channel No.3.
Operation: Press buttons in this order ““AUDIO”, “2”, “3””.
“1,2,3,4” I/O Keypads: Keys to select I/O channels.
Example: To transfer input channel No.3 to output channel No.1
Operation: Press buttons in this order: “3” in INPUT area, “1” in OUTPUT area.
7.2 Command Format of the Switching Operation
With the front control panel, the switcher could be control directly and rapidly by pressing the buttons
under below format.
“Menu” +“Input Channel” +“Output Channel 1”
“Menu”: “AV”, “Audio”, “Video”
“Input Channel”: Fill with the number of input channel to be controlled
“Output Channel”: Fill with the number of output channels to be controlled
7.3 Examples of Operation
Example 1：To transfer video and audio signals from input channel No.1 to output channel
No.3,4
1, Press the button for switching mode “AV” for the switching mode of video
and audio (“Audio” for the switching mode of audio only; “Video” for the
switching mode of video only)
2, Press the button for input channel number“1”
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