405.1200.037.2 - Rel.: 2.21 of 25/02/2008
14-15
Below are listed the terminals with their respective correct orientations.
Calibration of
Touch Screen
The screen of VT155W is made of resistive, sensitive glass; for this type of
glass to work properly it requires a calibration procedure (the terminal is
already calibrated when supplied), that is, the resistive area of the glass
has to be adjusted to the visible are of the display.
Should it be thought necessary to repeat the calibration procedure this can
be done by following the instructions set out below.
The procedure must be carried out with great care as the preci-
sion of the keys area depends on the calibration.
How to perform the calibration procedure:
• Make sure the VT is not connected to the power supply
• Remove the back cover
• Identify jumper J1
Horizontal mounting Vertical mounting
Upper part
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