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Operation, cont'd
Audio/Video selection control and indicators (audio switchers)
1
2
Figure 3-4 — Video and/or audio selection cycle
Input selection controls and indicators
3
4
3-4
SW AV Series Switchers • Operation
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.
Video and Audio LEDs — The Video and Audio LEDs indicate whether
video, audio, or video and audio will be selected using the Input buttons (
and indicated by the Input LEDs (
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
VIDEO
VIDEO
AUDIO
AUDIO
Default
Press
Video
(Video &
only
audio)
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
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
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
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.
).
4
I/O
VIDEO
AUDIO
Press
Audio
only
LED key:
,
, and
.
10
11
12
and
.
10
14
)
3
I/O
VIDEO
AUDIO
Press
Video &
audio
= on,
= off
and
.
6
7
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