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Operation, cont’d, Input selection controls and indicators – Extron Electronics SW AV Series User Guide User Manual

Page 24

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Operation, cont’d

SW AV Series Switchers • Operation

3-4

Audio/Video selection control and indicators (audio switchers)

1

I/O button —

The I/O button selects video, audio, or video and audio for

input selection.

This button has no function on audio-only switchers.

2

Video and Audio LEDs —

The Video and Audio LEDs indicate whether

video, audio, or video and audio will be selected using the Input buttons (

3

)

and indicated by the Input LEDs (

4

).

The Audio LED is always lit on audio-only switchers.

Pressing the I/O button advances through a cycle of video and/or audio
selection as follows: {default} video and audio, {press} video only, {press}
audio only, {press} video and audio, and so on (figure 3-4).

I/O

LED key: = on, = off

Press

VIDEO

AUDIO

Audio

only

VIDEO

AUDIO

VIDEO

I/O

Press

I/O

Press

AUDIO

Default

(Video &

audio)

VIDEO

AUDIO

Video &

audio

Video

only

Figure 3-4 — Video and/or audio selection cycle

Input selection controls and indicators

3

Input 1 through 4, 6, 8, or 12 buttons —

Each Input button selects the

associated input for output. A more detailed explanation of the input
selection function is included in Front panel operations, beginning on page 3-6.

On video switchers, the Input 1, Input 2, and Input 3 buttons are also used to
toggle autoswitch mode on and off. See Autoswitch mode controls and indicator
(video switchers)
on page 3-5 and items

10

,

11

, and

12

.

On audio models, the Input 1 and Input 4 buttons are also used to toggle
executive mode on and off. See Autoswitch mode controls and indicator (audio
switcher)
on page 3-5 and items

10

and

14

.

On 12-input audio switchers, the Input 11 and Input 12 buttons are also used
to decrease and increase the amount of audio gain for a selected input. See
Audio controls and indicator (audio switcher) on page 3-5 and items

6

and

7

.

4

Input 1 through 4, 6, 8, or 12 LEDs —

The input LEDs identify the selected

input.

On models that switch both video and audio, if audio is broken away, the
selected video input is indicated by a steadily lit input LED and the selected
audio input is indicated by a blinking input LED.

On audio switchers, the input LEDs also indicate the audio level (attenuation
(-dB) or gain (+dB)) of the selected input. See Audio controls and indicators
(audio switchers)
on page 3-5.