Extron Electronics VSC 900_900D User Guide - Manual (Page 28)

Installation and Operation, cont’d
VSC 900/900D • Installation and Operation 2-20
If the image does not display correctly
Symptoms Solutions
The picture is shifted
off the screen edges. Adjust the centering and sizing controls
( , ).
The picture appears
without color. Adjust the hue/ tint/ color controls on
display device.
Make sure that the video display/
recording equipment is using the same
standard (NTSC or PAL) as the VSC.
In a genlocked
system, displayed
color is incorrect. The color subcarrier phase (Sub)
might require readjustment.
The image still does
not display correctly. Call Extron's customer support hotline.
If the scan converter does not respond to controls
Symptoms Solutions
The picture does not move
move on screen when the
horizontal and vertical
centering controls are
rotated. The VSC may be set for executive mode.
Adjustments can be made via RS-232
control, or executive mode can be disabled
by simultaneously pressing and holding
down the cursor buttons
for 2 seconds.
The VSC responds to
adjustments made via the
front panel, but not to
selections from the IR
remote control. Signals from the IR remote control may not
reaching the VSC.
Check the IR batteries.
Change the placement of the scan
converter so that the IR signals have a
clear transmission path between the
remote control and the VSC.
There is no response to
commands from the
RS-232 controller. Ensure that the baud rate (9600 baud) and
communication protocol are set correctly.