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Installation, cont’d
SW AV Series Switchers • Installation2-4
12 3
93
11
10
1
5 7
Figure 2-2 — SW 4AV composite video switcher with audio
2
6
7812 4
93
11
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Figure 2-3 — SW 12SVA RCA S-video switcher with audio on RCA
connectors
Video input and output connections (video models only)
1
Composite video inputs (composite video (V) switchers only) — For each
input, connect a composite video source to one of these BNC connectors.
2
S-video inputs (S-video (SV) switchers only) — For each input, connect an
S-video source to one of these 4-pin mini DIN connectors.
3
Composite video outputs (all video switcher models) — Connect composite
video displays or other devices to these BNC connectors for each composite
video output.
4
S-video output (S-video (SV) switchers only) — Connect an S-video display
or other device to this 4-pin mini DIN connector for the S-video output.
Audio input and output connections (audio models only)
The audio level for each input can be individually set, via the front panel or RS-232,
to ensure that the level on the output does not vary from input to input. See
chapter 3, Operation, and chapter 4, Remote Control for details.
By default, the audio follows the video switch. Audio breakaway, which is
commanded via the front panel (see chapter 3) or under RS-232 control via the SIS
or Windows-based control program, allows you to select from any one of the audio
input sources. See chapter 3, Operation, and chapter 4, Remote Control for details.
CAUTION
The captive screw connector can easily be inadvertently plugged partially
into one receptacle and partially into an adjacent receptacle. This
misconnection could damage the audio output circuits. Ensure that the
captive screw connector is plugged into the desired input or output.
5
Balanced or unbalanced audio input connections (captive screw connector
audio (A) models only) — Each input has a 3.5 mm, 5-pole
captive screw connector for balanced or unbalanced stereo audio
input. Connectors are included with each SW AV Series
switcher, but you must supply the audio cable. See figure 2-4 to
wire a connector for the appropriate input type and impedance
level. High impedance is generally over 800 ohms.