HP LD4200tm - Widescreen LCD Interactive Digital Signage Display User Manual page 46

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38 Chapter 5 Operating the Touch Screen
Multitouch View — Use this tool as a reference when developing software for the Touch
Monitor with the API (Application Program Interface). Select either Multi-point or Single-
point and click Multitouch View and touch the screen with your fingers or palms
simultaneously. The test shows the area of LED sensors that are recognized upon touch.
Figure 5-6 Using Multitouch View with Palms
There are virtual images besides the real touch point when fingers are positioned at different
X or Y coordinates. The virtual images move in regulation according to the real touch points.
Content developers should refer to this virtual image regulation.
Figure 5-7 Virtual Image Regulation
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