Extron Electronics USP 405 User Guide - Manual (Page 39)

2-23 USP 405 • Installation and Operation
Operating problems
The table below shows some common operating problems and their solutions.
Problem Cause Solution
No image appears. The input signal is Make sure that the input signal is
incompatible. the appropriate type and
frequency for the given input.
Freeze mode was Deactivate freeze mode.
entered when the
image was black.
The scaled output Change the scaled output to a
rate is too high for compatible resolution.
the display.
The image is frozen. Freeze mode is on. Deactivate freeze mode.
If that does not work, unplug the
power cord from the unit, then
plug it back in.
The image is flashing. The scaled output Change the scaled output to a
rate is too high for compatible resolution.
the display.
The image is green. The output sync Turn off sync on green.
is configured for
sync on green.
The RGB/Y, R-Y, Set the output signal for RGB.
B-Y ouput is set for
Y, R-Y, B-Y.
The image is too soft. The detail/sharp- Change the detail/sharpness.
ness level needs to
be changed.
No color/tint Color/tint affects Verify the video format.
picture adjustment. only composite video
and S-video.
The USP randomly An RS-232 cable, Verify that the RS-232 cable is
switches to an input. with all pins being only passing pins 2, 3, and 5.
passed, is connecting
the USP to a PC.
The image glitches The sync of the Set the refresh rate to another rate.
when a VCR source is VCR’s output may be
used and the USP is too unstable for Accu-
set to the “Lock” RATE Frame Lock
refresh rate. (AFL).
Various adjustments One of the test From the “Test Pattern” submenu
read “Not Available”. patterns (other than of the Advanced Configuration
crop or a film menu, set the test pattern to “off”
aspect crop) has or to a crop pattern.
been enabled.