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HVG-2020B Instruction Manual
3. Display Operation
General
The HVG-2020B has an optional color touch screen module that can be assembled with the internal I/O module
to provide the user with local control over device operation. All operations done via the touch screen utilize
the values associated with the digital lists and commands found in Section 4.
The resistive touch panel will allow items other than your finger to activate the touch, such as a stylus, pencil
eraser, fingernail, gloved finger... etc. However, it can only detect one touch location at a time. The touch
panel top layer is made of polyester, or polyethylene terephthalate (PET).
NOTICE: Do not apply excessive pressure, liquids or sharp objects to the touch screen to avoid damage.
To clean the display, breathe on the surface and gently wipe it with a soft cotton or microfiber cloth.
View
VIEW Icon
The VIEW icon allows the user to cycle through five possible main screens (views). The VIEW and MENU icons
remain visible in the bottom corners of the screen in all views. Some items displayed in the different Views
allow the user to toggle or adjust them.
EAR99 Technology Subject to Restrictions Contained on the Cover Page
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