Configuring and calibrating the touch screen
This section describes how to configure and calibrate the touch screen. For
information on your model type, refer to Table 1 on page 1.
Models 42T, 46T, 48T, 4WT, 4GT, 4FT, 46R
This section applies only the 4820 models with the capacitive and resistive touch
technology.
When to adjust
You should also configure and calibrate your touch screen when:
v You initially install the touch software
v The cursor does not accurately follow your finger movement
v You change the video resolution or video mode
v You adjust the touch screen controller frequency using the Stabilize Cursor
function
v You enable or disable the Filtering option
Using the Touch Screen Utility
Note: Examples shown in this section can vary depending upon your operating
system.
The touch display calibration tool is used to calibrate the touch display. When
started, the tool prompts you to calibrate the display (see Figure 54).
Figure 54. Touch Screen Utility installation dialog
Configuring and calibrating the touch screen
Update November 2005
58 4820 Planning, Installation and Service Guide
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