Extron electronics SW 12 RCA, User Manual

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Quick Start — SW AV Series Switchers, cont’d
SW AV Series Switchers
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Quick Start QS-2
Audio level indicators (Input 1 through Input 4
LEDs) each indicate a range of 6dB when lit:
Input 1 LED: off = 0 db to 5dB,
Input 1 LED: lit = 6dB to 11dB,
Input 1 and 2 LED:lit = 12dB to 17dB, and so on.
Mode button (video switchers) is used with the
Normal, Auto, or Executive button to select the
switching or executive mode.
A secondary
function of the Input 1 button.
Normal button
(video switchers) is used with the
Mode button to select normal mode. A
secondary function of the Input 2 button.
Auto(switch) button (video switchers) is used with
the Mode button to select autoswitching mode.
A secondary function of the Input 3 button.
Auto Switch Active LED (video switchers)
indicates that the switcher is in autoswitch
mode. When unlit, the switch is in normal
(manual) mode.
Executive Mode button (audio switchers) is used
with the Mode button to toggle executive mode
on and off.
An unlabeled secondary function of
the Input 4 button.
Executive Mode LED
(audio switchers) indicates
that the switcher is in executive mode. All front
panel operations except input selection are
locked.
Operation
Power
Plug in the switcher to apply power. The switcher
performs a self-test that blinks the LEDs. An error-
free self-test leaves the autoswitch mode, executive
mode, video and/or audio selection, input
selection, and the audio settings in the same
configuration as they were when power was
removed.
Switching inputs
Video and audio switchers can switch audio with
video (audio follow) or either can be switched
separately (audio breakaway). Select an input as
follows:
Video switchers must be in normal (manual)
mode.
1 . ( Video switchers only ) Press the I/O button as
necessary to select video, audio, or both.
2. Press the associated input button to select the
desired input.
3 . Observe that the LED for the selected input
lights or blinks.
Audio gain and attenuation (audio switchers)
The audio level of each input can be adjusted
through a range of -18dB to +24dB.
Video (autoswitching) switchers must be in
normal (manual) mode.
1 . ( Video switchers only ) Press the I/O button to
select either video and audio or audio only.
2 . Press and release an input button to select an
input.
3 . Press and hold the Audio Conf/Save button
until the Audio Conf/Save LED begins to blink,
then release the Audio Conf/Save button.
Each of the input 1 through 4 LEDs displays a
range of 6dB for the selected input when lit.
The +dB and -dB LEDs display the polarity (+
or -).
4 . Press and release the and buttons to
increase and decrease the audio level by 1dB or
press and hold the buttons to increase or
decrease the level by 3dB per second.
5 . Press and hold the Audio Conf/Save button
until the Audio Conf/Save LED turns off to
save the gain value in memory and exit the
audio display and adjustment mode.
Switch mode (video switchers)
In autoswitch mode, the switcher selects the
highest-numbered input with sync signals present.
The front panel LEDs remain functional.
Audio breakaway is disabled.
Toggle autoswitch mode on and off as follows:
1 . Press and hold the Mode (Input 1) button.
2 . Press and release either the Auto (Input 3) or
Normal (Input 2) button. The Auto Switch
Mode Active LED lights or goes out.
3 . Release the Mode button.
Executive mode (audio switchers)
Executive mode disables the front panel I/O
button, autoswitch or normal switch mode
selection, and all audio gain and attenuation
functions.
Toggle executive mode on and off as follows:
1 . Press and hold the Mode (Input 1) button.
2 . Press and release the Input 4 button The
Executive Mode LED changes state (lit to off or
off to lit).
3 . Release the Mode button.