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Siemens CMTC1713 Manual De Usuario

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Troubleshooting
15
Building Technologies 
 
CMTC1713_1913 User Manual
Fire Safety & Security Products 
 
19/12/2008
10 
Troubleshooting 
 
Problem 
Troubleshooting 
No image on display 
screen 
1.  Check that the power cord of the monitor has been 
connected securely into wall outlet or grounded 
extension cable or strip. 
2.  Power switch should be in the ON position and LED 
is lit. 
3.  Check that the Brightness and/or the Contrast of the 
display have not been turned down to minimum 
"Going to sleep" 
message on screen 
1.  Check that the signal cable is completely connected 
to the video card/computer. 
2.  Check that the video card is completely seated in its 
slot and the computer is switched on. 
Display image is not 
centered, too small or 
too large in PC mode 
1.  Press the Auto button (in DVI mode) or adjust 
Vertical or horizontal 
noise is present in the 
picture 
1.  Press the Auto button or adjust Frequency and 
Phase in the OSD menu [J 14] . 
Can see picture but no 
sound is audible 
1.  Make sure that audio inputs are connected properly. 
2.  Check to see whether the volume is turned down