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Enabling and Disabling Auto-input Switch Mode
In auto-input switch mode, the SW4 3G automatically switches to the highest numbered input with active
sync pulses. When auto-input switch mode is enabled, the Auto Switch Active LED (shown at right) lights.
Selecting Auto-input Switch Mode
To turn on auto-input switching:
1. Press and hold the Mode (Input 1) button.
2. While holding down the Mode button, press and hold the Auto (Input 3) button.
3. Release the Mode and Auto buttons simultaneously. The Auto Switch Active LED lights.
Selecting Normal Mode
To turn off auto-input switching:
1. Press and hold the Mode (Input 1) button.
2. While holding down the Mode button, press and hold the Normal (Input 2) button.
3. Release the Mode and Auto buttons simultaneously. The Auto Switch Active LED turns
off.
Application Diagram
The illustration below shows an example of how the SW4 3G HD-SDI switcher can be connected.
1
MODE
3
AUTO
1
MODE
2
NORMAL
SWITCH
ACTIVE
Figure 2. SW4 3G HD-SDI Application Example
©2010 Extron Electronics. All Rights Reserved - www.extron.com
68-1571-50
Rev A
04 10
100-240V 0.2A
50-60Hz
INPUTS
1
2
1
2
3
4
OUTPUTS
RS-232
SW4 3G HD-SDI
ON
OFF
DISPLAY
MUTE
SCREEN
UP
SCREEN
DOWN
VCR
DVD
DOC
CAM
LAPTOP
PC
1
3
1
4
2
31
42
3
1
4
2
2
3
100
LINK
ACT
COM
IR
INPUT
RELAY
TX
RX
R
IPL 250
®
HD-SDI
Monitor
Extron
SW4 3G HD-SDI
Multi-Rate SDI Switcher
HD-SDI Projector
HD-SDI Cameras
HD-SDI VTR
RS-232
TCP/IP
TouchLink
™
Control
System
2
SW4 3G HD-SDI 101 Setup Guide (Continued)
