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Features
Audio switching models
Inputs — These switchers input 2, 4, or 6 stereo audio signals, balanced or
unbalanced, on 3.5 mm, 5-pole captive screw terminals.
Outputs — The selected audio input is buffered and output, balanced or
unbalanced, on a 3.5 mm, 5-pole captive screw terminal.
Audio gain/attenuation — Users can set the input level of audio gain or
attenuation (-18 dB to +24 dB) via the RS-232 link or from the front panel, to
be compatible with a wide range of line level (from -20 dBV to +4 dBV).
Individual input audio levels can be adjusted so there are no noticeable
volume differences between sources (figure 1-2) and for the best headroom
and signal-to-noise ratio. This function also eliminates the need for separate
preamps or attenuators when used with professional (higher line level) and
consumer (lower line level) audio equipment.
dBu
dBv
+10
+8
+7
+5
+4
+2
+1
-1
-2
-3
-5
-7
-8
-10
-12
-14
Low Audio
Output Level
dBu
dBv
+10
+8
+7
+5
+4
+2
+1
-1
-2
-3
-5
-7
-8
-10
-12
-14
High Audio
Output Level
Figure 1-2 — Audio gain and attenuation
Audio follow — Audio can be switched with the corresponding video input.
Audio follow switching can be done via front panel control or under RS-232
remote control.
Audio breakaway — Audio can be broken away from its corresponding video
input signal. Audio breakaway switching can only be commanded under
RS-232 remote control.
All switchers
RGB video models
Inputs — The video switchers input up to 2, 4, or 6 RGB video signals on five
female BNC connectors.
Outputs — The selected RGB video input is output on five female BNC connectors.
Component video (SW6 YUV A)
Inputs — The switcher inputs up to 6 component video (Y, R-Y, B-Y) signals on
three female BNC connectors.
Outputs — The selected component video input is output on three female BNC
connectors.
Consumer VCR
Audio
Inputs
1
2
3
4
5
6
AUTO SWICH
ACTIVE
SW RGBHV A Series Switcher
Audio
Inputs
Pro CD Player
SW RGB and YUV A Switchers • Introduction
dBu
dBv
+10
+8
+7
+5
+4
+2
+1
-1
-2
-4
-5
-7
-8
-10
-12
-14
Output
Level
SW6 RGBHV A
RGBHV & AUDIO SWITCHER
AUDIO
-dB
+dB
CONF/SAVE
Audio System
No Noticeable Volume
Differences Between Sources
1-3
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