Safety instructions
2.4 Notes about usage
ITC V3, ITC V3 PRO
Operating Instructions, 03/2024, A5E42761061-AF
39
Use in residential areas
HMI device not intended for use in residential area
The HMI device is not intended for use in residential areas. Operation of an HMI device in
residential areas can have a negative influence on radio or TV reception.
Use with additional measures
The HMI device should not be used at the following locations unless additional measures are
taken:
• In locations with a high degree of ionizing radiation
• In locations with severe operating conditions, for example, due to:
– Corrosive vapors, gases, oils or chemicals
– Strong electrical or magnetic fields of high intensity
• In systems that require special monitoring, for example, in:
– Elevators
– Systems in especially hazardous rooms
TFT displays
Burn-in effect
A permanently displayed picture of two or more colors can result in a burn-in effect, i.e. the
image remains slightly visible for a certain time even on a blank screen. The longer the
image has been burned in, the longer the image remains. In an extreme case, the image is
displayed permanently.
The ghost image usually disappears by itself if the screen remains off for a long period or
the screen content changes, for example, when the screen saver is activated. Screen savers
for the backlit active black mode reduce the burn-in effect.
• Activate a screen saver on the server.
Backlighting
The brightness of the backlighting decreases incrementally during its operating period. You
can extend the life of the display and backlight by taking the following measures:
• Reduce the backlighting, see section "The "System" submenu (Page 87)".
• Observe the operating period of the backlighting, see section "Technical specifications
(Page 199)".
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