Yeyian SIGURD 3001 Manual De Instrucciones página 16

Safeguard
When the video signal of your computer exceeds the frequency range of the
monitor (refer to product specifications), the micro-computer of the monitor will
turn off the horizontal and vertical sync signal for the purpose of the monitor' s
protection, please refer to the illustration below.
The monitor will enter saving mode after a few seconds, promptly the power
indicator will light up red. Please set the output frequency of your computer within
the acceptable range of the monitor so that it can work normally.
TROUBLESHOOTING
If your monitor cannot work normally, please refer to the following methods for
common problems quickly, if you need assistance, please call the dealer where
you purchased the Monitor.
A. There is no Screen Image / LED no light
Please check to see whether the power cord is securely connect to the monitor
and wall outlet, and whether the display is in power saving mode.
B. There is no Screen Image / LED light red
Check whether the display card of PC is loosed, and check the connection between
signal cables and display
C. The display is not clear or the image is too large or too small
Enter the OSD image adjustment menu, and then select "Auto Adjust" to make the
display to adjust automatically to optimum.
D. The image is too light or too dark
Enter the OSD brightness adjustment menu, and then select "UP / DOWN" to adjust
the brightness and contrast to optimum.
E. The screen is overheated
Please keep at least 5cm around the display for ventilation, and do not place
anything on the monitor.