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Doc# 27-0023UM Rev 1.0 Issued 09/04
35
TROUBLESHOOTING
No Main Display Image
If there is no image on the main screen, a signal will appear on the screen that states, “No
Input, Check Cable”. If the cable from the computer to the display is secure, determine the
color of the standby LED and follow the appropriate procedure below.
Black
Problem:
If the standby LED is black, there is no
power to the unit.
Recovery:
• Ensure the power cable is plugged
into the source.
• Connect the power cable to a
AC outlet. Ensure the AC outlet is
active.
• Wake up the display by pressing
the standby button.
Orange
Problem:
If the standby LED is orange, there is no
video signal.
Recovery:
• If Video A or Video B is selected,
ensure there is a video signal com-
ing into the selected channel.
• Ensure there is a video signal
coming from the computer.
Green
Problem:
When the standby LED is green, there is
both power and a video signal. If there is
no image on the main display, there is a
possible hardware failure.
Recovery:
• Ensure the video signal coming
from the computer is not a black
screen.
• Contact Z Microsystems’ Custom-
er Support Department.
TROUBLESHOOTING THE COMMAND CONSOLE
NOTE: ese procedures only apply to
the main screen image, not
the picture-in-picture screens.
See next section for PIP screen
troubleshooting guide.