Pro-face FP-790T, User Manual

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FP-790T User Manual 3
WARNINGS
• After the FP's backlight burns out, unlike the FP's "Standby Mode", the touch
panel is still active. If the operator fails to notice that the backlight is burned
out and touches the panel, a potentially dangerous machine operation
mistake can occur.
If your FP's backlight suddenly turns OFF, use the following steps to
determine if the backlight is actually burned out.
1)If your FP is not set to "Standby Mode" and the screen has gone blank,
your backlight is burned out.
2)Or, if your FP is set to Standby Mode, but touching the screen does not
cause the display to reappear, your backlight is burned out.
• If metal particles, water or other types of liquids contact any of the FP's
internal parts, immediately turn the units power OFF, unplug the power cord,
and contact either your FP distributor or the Digital Electronics Corporation.
• Read and understand Chapter 3 "Installation and Wiring" thoroughly in order
to select an appropriate installation location for the FP.
• Before either plugging in or unplugging a board or interface connector, be
sure to turn the FP's power OFF.
• To prevent a possible explosion, do not install the FP in areas containing
flammable gases.
• The FP is not appropriate for use with aircraft control devices, aerospace
equipment, central trunk data transmission (communication) devices, nuclear
power control devices, or medical life support equipment, due to these
devices inherent requirements of extremely high levels of safety and
reliability.
• When using the FP with transportation vehicles (trains, cars and ships),
disaster and crime prevention devices, various types of safety equipment,
non-life support related medical devices, etc. redundant and/or failsafe
system designs should be used to ensure the proper degree of reliability
and safety.