Dell Latitude E6400 XFR Setup And Features Information page 14

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linearization is completed, the linearity of the touch screen will be shown in the Linearization
Curve window.
• Draw Test: Used for accuracy and performance checking.
1. 4 Points Calibration
The touch screen must be calibrated before it can work accurately. This function pops up a new
window to guide you through the 4 points calibration. You should follow the guide to touch and
hold the blinking X symbol in the calibration window until it does not blink to make sure that the
utility can gather enough data for computation. In addition, a time line bar is shown in the bottom
of the window to indicate time elapsed. If the touch screen is not touched before the time line bar
reaches the right end, the calibration task will be terminated automatically.
2. Linearization
This function provides for more accurate touch screen positional alignment. The linearization
function pops up a new window to guide you through the 9 or 25 points calibration. Configuring
the function for 9 or 25 points calibration is accessed in the Setting tab. You should follow the
guide to touch and hold the blinking X symbol in the calibration window until it does not blink to
make sure that the utility can gather enough data for computation. In addition, a time line bar is
shown in the bottom of the window to indicate the time elapsed. If the touch screen is not touched
before the time line bar reaches the right end, the calibration task will be terminated
automatically.
3. Draw Test
This function is used for accuracy and performance checking. You can use the stylus or finger
touch to draw or write across the displayed area.
You can press the Clear button to clear the window. Press the Quit button to terminate the draw
test.
Setting
The Setting property page provides the following buttons and check boxes:
1. Beep
• Beep On Touch
Check this check box to enable driver to generate a beep sound when touch touchscreen
state is switched from untouched to touched state.
• Beep On Release
Check this check box to enable driver to generate a beep sound when touchecreen state
is switched from touched state to untouch state.
• Frequency
Adjust this frequency to control the beep sound frequency generated by the driver.
• Duration
Adjust this duration to control the beep sound duration.
2. Linearization Style
The Touchkit utility provides you with both 9 points and 25 points calibration for linearization.
You can select the suitable kind of linearization type with this setting.
function is accessed under the Tools tab.
3. Double Click Time
The double Click Time group is used to set system double click time. Changing this value will
affect the double click behavior for all of the mice devices in the system. Two continuous clicks
at the same area within this specified time period will be recognized as a double click event.
4. Double Click Area
The double click area group is used to set the system double click area. Changing this value
will affect the double click behavior for all of the mice devices in the system. Two continuous
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Latitude™ E6400 XFR Setup and Features Information
The Linearization
Page 14