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4 Calibrating the Screen, Setting the Date/Time and Modem (if equipped)
Calibrating the Screen
If your Dolphin 7400/7450 is equipped with a touch screen, you must calibrate the screen after a cold boot. Calibration can also
be performed by opening the "Stylus" folder in the Control Panel directory and choosing the "Calibration" tab. Follow the
directions on the screen to calibrate the screen and keep the following points in mind:
• After the Welcome Splash Screen appears, you will be prompted to calibrate the screen. The Dolphin 7400/7450 terminal
will display a cross-hair target and a message to "Tap the target firmly……".
• Calibration should always be performed with a stylus designed for touch screen applications. The small point is required for
accurate calibration.
• The stylus should be oriented at a 90 degree angle to the screen surface. Press the stylus firmly into the center of the cross-
hair target and release. Do not "double-tap" the target. You will be prompted to repeat this process for a total of five targets.
Press the <ENTER> key when complete in order to save the new calibration settings.
• It may also be necessary to calibrate the screen for the users preference of "double-tap" speed. If the Dolphin 7400/7450
does not respond properly to a "double-tap" on the screen, open the "Stylus" folder in the Control Panel directory and choose
the "Double-Tap" tab. Double-tap the checkered square using your normal double-tap speed then verify by double-tapping
the verification icon. This setting is also reset to factory default each time the terminal is cold booted and must be recalibrated
by the user.
• After calibrating the screen, you will be prompted to set the date and time on the terminal.
Note:
HHP recommends using screen protectors for Dolphin 7400/7450 terminals equipped with a touch screen display;
especially for those terminals used for applications that require high-volume interfacing with the touch display. Screen
protectors will help prevent damage to the touch panel display and are easily installed over the display. Screen protectors
can be purchased at any major computer retail store.
Stylus Properties Screen