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Contact Closure Remote Control
The rear panel Remote connector also provides a way to select an input to the interface
using a remote contact closure device. Contact closure control uses pins on the Remote
connector that are not used by the RS-232 interface. The contact closure pin assignments
are shown in the
To select a different input number using a contact closure device, momentarily short the pin
for the desired input number to logic ground (pin 5). To force one of the inputs to be always
selected, leave the short to logic ground in place. The short overrides front panel input
selections.
NOTE:
Troubleshooting
Turn on the input devices (computer, audio device) and output devices (projector, monitors,
speakers). The image should now appear on the screen and sound should be audible.
If the Image Does Not Appear or There is No Sound
1.
2.
3.
4.
5.
6.
7.
8.
table in figure
Shorting the contact closure pin to override the front panel selection does not
work if the interface is in auto switch mode with
set to On (up).
Ensure that all devices are plugged in.
Make sure that each device is receiving power. The front panel LCD of the interface
lights if the interface is receiving power and an active sync signal.
Check the cabling and the audio connector wiring and grounding, and make
adjustments as needed.
If using the model that has the EDID Minder, make sure the rotary dial and frequency
DIP switch are set to the correct values. If these settings are changed, reboot the source
device.
If using the model that has the EDID Minder, make sure the video output can support
the resolution provided by the EDID Minder. If necessary reset the rotary dial and reboot
the source device.
For digital display devices (including LCD, DLP and plasma devices), try changing the
setting of
DIP switch 1
(DDSP).
To test the system setup and output, substitute a video test generator (VTG) for one
of the computer inputs. To use a stand-alone VTG, disconnect the input and output
devices, disconnect the power cord to the interface, replace the video source with a
VTG, and restore AC power to the interface.
Call the Extron S3 Sales and Technical Support Hotline if needed (see the phone
numbers listed on the back page of this guide).
4.
DIP switch 7
RGB 203 Rxi • Operation
on the rear panel
17
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