Preh MC15T5 User Manual

Page of 21
subject to change without prior notice 
05.2004 
 
Preh KeyTec GmbH, www.preh-keytec.com 
3.  Installation of Touchscreen 
 
Please read the following instructions prior to starting to use the Preh Touch / Screen 
Commander! 
 
 
The following steps are necessary for a correct function of the device: 
 
1  Adjust your computer for the proper video resolution [1024x768 / 60 Hz] and switch it 
off, connect Touch / Screen Commander, switch on computer and Touch / Screen 
Commander (see chapter 3.2). If you are asked for confirming the new hardware 
"standard monitor", confirm according to display instructions. 
 
2  Adjust the video display on the Touch Commander/Screen Commander for graphic 
card in the computer by means of menu point "AUTO TUNING" of the OSD. This step 
is important for the best quality of representation (see chapters 3.3). 
 
3  Only Touch Commander: 
   Installation of touchscreen driver for the corresponding operating system (see chapter 
4). 
 
The Touch Commander / Screen Commander with VESA mount bracket must be operated 
with the supplied original power supply. 
 
 
 
 3.1 Operating Conditions for the System 
 
The Preh Touch Commander / Screen Commander has been developed for the use with 
PC graphic adapters in SVGA-setting with 1024x768 pixels of resolution. As an operating 
system it is necessary to have either a DOS version 3.3 (or higher), Windows 3.1x, 
Windows 9x, Windows NT, Windows 2000 Windows XP or OS/2. 
For multimedia models a sound card with "Line Out" outputs for generating sounds is 
necessary in addition. 
 
 
3.2  Cable Installation and System Settings 
 
The installation of the cables must be done
 
with the computer switched off. Set the 
correct screen resolution first. The optimum resolution is 1024x768 pixels and the refresh 
rate 60 Hz. 
To begin connect the VGA cable and the RS232 cable as well as the audio cable  (see 
pict. 3). Then plug in the AC power cable to the socket (see pict. 3). 
If you now switch on the computer, the LED lights up green after about 3 seconds and the 
corresponding picture appears on the screen. If the computer is in suspend or standby 
mode the LED is red. If the SVGA cable between Touch / Screen Commander and 
computer is disconnected, or that the computer power is switched off, the LED lights up 
red.