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LA1500R, LA1500RTR, and LA1500RTS User’s Guide (020-0319-03 Rev. A) 17
Warning Signal
If you see warning messages on your LCD screen, this means that the LCD
display cannot receive a clean signal from the computer graphics card.
There may be three sources for this problem. Please check the cable
connections or contact Planar for more information.
No Signal
This message means that the LCD display has been powered on but
it cannot receive any signal from the computer graphic card. Check
all the power switches, power cables, and VGA signal cable.
Going to Sleep
This message means that the LCD display is under the power
saving mode. In addition, the LCD display will enter the sleep mode
when experiencing a sudden signal disconnecting problem.
Out of Range
This message means that the signal of the computer graphic card
is not compatible with the LCD display. When the signal is not included
in the “Video Modes” list we have listed in the Appendices of this
manual, the LCD display will display this message.