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Audio controls and indicators (audio switchers)
Audio switchers have audio gain and attenuation adjustments.
Audio configuration/save button and LED — The Audio button and LED
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enable the user to view and/or change the current audio level setting for each
input. See Adjusting audio gain and attenuation (audio switchers) in this chapter.
Down (
) button and LED — The
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level for a selected input. Press and release the button to decrease the audio
level or press and hold the button to decrease the audio level at a rate of 3 dB
per second until the button is released.
The LED flashes to indicate each 1 dB decrease in the audio level. See
Adjusting audio gain and attenuation (audio switchers) in this chapter.
On 12-input audio switchers, this button and LED are secondary functions of
the Input 11 button and LED.
Up (
) button and LED — The
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for a selected input. Press and release the button to increase the audio level or
press and hold the button to increase the audio level at a rate of 3 dB per
second until the button is released.
The LED flashes to indicate each 1 dB increase in the audio level. See
Adjusting audio gain and attenuation (audio switchers) in this chapter.
On 12-input audio switchers, this button and LED are secondary functions of
the Input 12 button and LED.
-dB/+dB LEDs — The -dB and +dB LEDs indicate the polarity of the audio
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level setting. See Adjusting audio gain and attenuation (audio switchers) in this
chapter.
Audio level indicators — The Input 1 through Input 4 LEDs each indicate a
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range of 6 dB when lit (Input 1 LED: off = 0 dB to 5 dB, Input 1 LED: lit = 6 dB
to 11 dB, Input 1 and 2 LED: lit = 12 dB to 17 dB, and so on). See Adjusting
audio gain and attenuation (audio switchers) in this chapter.
Autoswitch mode controls and indicator (video switchers)
Video switchers support autoswitch mode. When autoswitch mode is enabled, the
switcher continuously monitors all inputs and automatically switches to the
highest-numbered input with video sync pulses present. If video is absent from all
inputs, input 1 is selected.
Mode button — The Mode button is used with the Normal button or the Auto
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button to select the switching mode. See Switch mode in this chapter.
This button is a secondary function of the Input 1 button.
Normal button — The Normal button is used with the Mode button to select
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normal mode. See Switch mode in this chapter.
This button is a secondary function of the Input 2 button.
When you change from autoswitch to normal (manual) mode, the last input
selected in autoswitch mode remains selected until you manually select a
different input.
Auto(switch) button — The Auto button is used with the Mode button to
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select autoswitching mode. See Switch mode in this chapter.
This button is a secondary function of the Input 3 button.
button is used to decrease the audio
button is used to increase the audio level
SW AV Series Switchers • Operation
3-5
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