Dell Latitude XT2 (Early 2009) User Manual download pdf (Page 5)

Digitizer Options Tab

Dell™Latitude™XT2ServiceManual

The Digitizer Options tab is used for the following:

l Input mode selection

l Touch tuning

l Launching diagnostics

l Restoring default settings

Input Mode

The N-trig applet has 4 operating modes:

l Pen Only — In this mode, the stylus is the only device that can be used as the input device with the N-trig digitizer. Changing from Pen Only mode to

any other mode is done by clicking with an active input device on the N-trig Applet icon in the system tray. When the applet is open, select desired mode

and press OK.

l Touch Only — In Touch Only mode, a single finger is the only input device that can be used with the N-trig digitizer. Using the stylus is not possible. It is

important to note that only a single hand contact is allowed with the digitizer for proper execution. Changing Touch Only mode into any other mode is

done by tapping the N-trig Applet icon in System Tray using a finger or other active input device and choosing the desired mode. Press OK to confirm.

l Auto Mode — The N-Trig digitizer is capable of detecting a stylus as well as finger touch. The purpose of Auto Mode is to allow the user intuitive toggling

between the Pen Only or Touch Only modes. The default input device for Auto Mode is the stylus as long as it is in range of the tablet screen (hovering

in proximity or in contact). A basic principle in Auto Mode is that stylus detection in the digitizer proximity would turn the digitizer into Pen Only mode as

an overriding priority. A double-tap finger gesture on the screen (similar in style to a mouse double-click) will switch the digitizer from Pen Only mode to

Touch Only mode. The system will remain in Touch Only mode as long as the stylus is out of range. Once the stylus is detected in range the system will

automatically switch to Pen Only mode.

l Dual Mode (Vista Only) — Dual Mode is a unique operational mode that is functional only while using the Microsoft Vista operating system. In this

mode, the OS switches automatically between the available pointing device according to its internal priority and attributes.

Touch Tuning

If you believe that the Tablet-PC's finger detection function is not working properly, a recalibration of the touch feature may be in order. To accomplish this click

the Reset button and then follow the on-screen prompts.

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A message indicating success or failure appears once the reset routine completes. If the result is failure, try running the diagnostics.

Diagnostics

Running the diagnostics will help determine the functionality of the digitizer. Start by clicking the Troubleshoot button. Pressing the Self Test button on the

subsequent pop-up window starts the diagnostics.

After the test is complete, the results are displayed as illustrated below.

CAUTION: Do NOT touch the screen while touch reset is in progress.

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Dell Latitude XT2 (Early 2009) User Manual Page 5

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