Extron electronics MPX 423 A Instrukcje Operacyjne Pobierz pdf (Strona 22)

Operation, cont’d

MPX 423 A • Operation

3-4

PRELIMINARY

Establishing a tie

When you connect an input with an output in video or audio, you are establishing

a tie. A tie can be a video-only tie (only a video signal is being transmitted through

an output), an audio-only tie (only an audio signal is being transmitted through an

output) or an audio and video (A/V) tie (a video signal and audio signal are being

transmitted together or apart through one or more outputs).

To establish a tie using the MPX 423 A, do the following:

1. Press the I/O button to select a video-only, audio-only, or A/V tie.

2. Select the output using any of the output buttons.

3. Select the input from any of the 12 inputs.

Reading the LEDs

Reading the LEDs of the MPX 423 A matrix switcher is the primary means of

controlling your inputs and outputs. The unit uses a series of LED colors and

actions to indicate the status of each group and/or tie.

When in audio-only or video-only mode

• A

lit input LED represents a tie.

• The

lit I/O LEDs show the signal type (audio or video).

When in A/V mode

• A lit input LED represents a video-only tie.

• A

ﬂashing input LED represents an audio tie.

• A

ﬂashing audio I/O LED represents audio that follows the video signal.

• An

active video LED is always lit.

A ﬂashing output LED represents a muted state.

Viewing or changing the switching mode

To view or change the active switching mode (single or separate) for a selected

output:

1. Press the Outputs/Audio button to select an output (1 or 2). The LED for the

selected output lights.

OUTPUTS/

AUDIO

MODE SINGLE SEPARATE

INPUTS

COMPUTER

2 3 4

Outputs / Audio button

2. Press and hold the Mode button for approximately 3 seconds. The Single and

Separate LEDs light. One will be on solid, one will be ﬂashing. The ﬂashing

LED indicates the currently active switching mode (single or separate).

OUTPUTS/

AUDIO

MODE SINGLE SEPARATE

INPUTS

COMPUTER

2 3 4

Mode button

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 63 64

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