Atlona AV128128 manual Audio signal connection, Operation Controls for AV0404, Av Av, Video

3.2 Audio signal connection:

“AUDIO INPUTS”, “AUDIO OUTPUTS” audio network interface in RGB matrix switchers can be con- nected to the audio signal and amplify sources. Audio connection is little more complicated than video. It has two types of connection: balanced and unbalanced. The balanced connection transmits a pair of bal- anced signals with two cables. Because Interferences will have the same intensity and the opposite phases on the two cables; it will be counteracted in the end. For the low frequency extent of the audio signal, it would be easily interfered under long distance transmission. Therefore as an anti-interference connection, it is mostly used in Audio connection of special high end devices.

Connection of captive screw audio connectors (unbalanced/balanced)

4.0 Operation Controls for AV0404

“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 “3”, “AV”, “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 “3”, “VIDEO”, “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 ““2”, “AUDIO”, “3””.
“1,2,3,4”	I/O Keypads: Keys to select I/O channels.

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