Siemens 670 V2, Руководство по эксплуатации

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Safety information and general information
2.3 Operating panel guidelines
Panel PC 670 V2/870 V2, Control unit
Operating Instructions, Edition 03/2004, CD Documentation and Drivers
2-3
2.3 Operating panel guidelines
Reistance to chemicals
Caution
The panel of the control unit is only partially resistant to chemicals. More information is
available in the internet at "www.ad.siemens.de" under the heading "Products & Solutions."
Click on "Service & Support" under "Services" and look for the article-ID "16532108" on the
"Product Support" page. The desired article about chemical resistance will be displayed.
Sources of light
Notice
Position the screen so that it is not subject to direct sunlight or other strong sources of light.
Faulty pixels in the display
At present, the manufacturing process of modern displays does not guarantee that all pixels
of the display will be perfect. A small number of faulty pixels in the display, is therefore
unavoidable. This does not present a functional problem as long as the faulty pixels are not
bunched in one location.
For additional information, refer to the technical data.
TFT-LC display
A permanent picture with bright images can lead to a burn-in effect on the LCD.
If a screen saver is activated, please observe the following:
• The liquid crystals in screen savers which actuate active black when the backlighting is
on, e.g. flying stars "starfield simulation," renew themselves. Pay attention to the length of
time the backlighting is activated.
•
The following applies to screen savers which turn off the the backlighting tubes: Each
time the backlighting is turned on, its life is reduced by 50 minutes.
Consider the following carefully:
• Use of a screen saver
•
Turn off the backlighting regularly
• Permanent display of the customer application