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POC-195 User Manual 28
Chapter 5 Touchscreen Interface
5.1 Introduction
5.1.1 General Information
The POC-195's optional touchscreen incorporates advanced second-gen-
eration 5-wire resistive technology for 75% light transmission. The resis-
tive and capacitive models have an antiglare surface. All models provide
greatly enhanced visual resolution. They also have improved scratch-
resistant features. The touchscreen is manufactured from UL-recognized
components. When properly installed, the touchscreen's ball impact resis-
tance meets the UL 1950 standard. Its fire resistance meets the UL-746C,
19 mm (0.75") flame test standard. Systems incorporating the touch-
screen, controllers, and cables have been approved to FCC Class A and
Class B standards.
5.1.2 General Specifications
Please refer to Section 1.2 of this manual.
5.1.3 Environmental Specifications
Temperature:
-0 ~ 40° C (operating)
-20 ~ 60° C (storage)
Relative humidity:
90 RH at 35° C (operating)
90 RH at 35° C for 240 hours, non-condensing (storage)
Chemical resistance: The active area of the touchscreen is resistant to
the following chemicals when exposed for a period of one hour at a tem-
perature of 21° C (71° F):
• Acetone
• Methylene chloride
• Methyl ethyl ketone
• Isopropyl alcohol
• Hexane
• Ammonia-based glass cleaners
• Turpentine
• Mineral spirits
• Foods and beverages