The Handheld features a keypad and 128 x 128 pixel liquid crystal display for showing text and graphical images. The high-contrast 3.4” diagonal display and 4 column by 8 row keypad are controlled by means of a precoded GUI Toolkit that makes it easy to program an intuitive user interface using menus and bitmapped graphics. The software draws the screen graphics, responds to keypad presses, provides audible keypress feedback, and even implements front panel control of the backlight and display contrast.
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For guidance on using the Handheld, take a look at the following documents:
See also → GUI Controllers