Preh mc 15 User Guide

 

16 3.2005 

 
A lot of malfunctions can be traced back to incorrect or loose cable connection. So 
please make sure that all plug connections are correct and secured. 
 

voltage supply not in 
order 

check plug-in connection of 
power supply 

LED on Touch Commander 
remains dark 

computer switched off 

switch on the computer 

LED on Touch Commander 
lights up red and no picture 
appears 

VGA cable is not 
correctly connected 

check cable connection of 
VGA connection 

choice of display 
resolution is wrong 

check for correct display 
resolution it should be 
1024x768 or less 

The display shows only 
part of the picture or the 
picture is distorted 

display adjustment 
insufficient 

see notice to adjustment of in 
chapter 3.3 

LCD shows indistinct 
vertical stripes 

display ("HORIZONTAL 
SIZE") is insufficiently 
set 

set horizontal size of picture 
in menu IMAGE POSITION of 
OSD(see chapter 3.3.1) 

LCD shows fine horizontal 
stripes 

display ("PHASE") is not 
correctly adjusted 

adjust PHASE in menu 
BASIC-SETTINGS of OSD 
(see chapter 3.3.1) 

Touch cannot be calibrated 
under the operating 
systems of Windows, 
button "calibrate" is 
deactivated  

cable connection 
incorrect 

check serial connection, 
restart computer 

Vertical streaks in LCD 
image 

Display “Clock” or 
“Horizontal Position” 
improperly set  

Set horizontal position and 
size of picture in menu “H-
Position”and “Clock” of OSD 
(see chapter 3.3.1) 

Calibrating program 
notifies error when called 
up 

touchscreen driver not 
correctly installed 

Set the driver again with 
SETUP or with button setup 
in the calibrating program. 
Here the serial connection 
should be correctly entered 
and the correct controller 
should be selected. Check 
the serial cable connection 

OSD menu can not be 
accessed 

Key lock is activated 

Deactivate Key lock (see 
chapter 3.3.2)