Zytronic Projected Capacitive X-Y controller Touchscreen Manual de usuario descargar pdf (Pagina 17)

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SAFE OPERATING PROCEDURE

Touchscreen Driver Software Procedure

Subject

19” Touchscreen Driver Software Procedure

Name and

number of

UPGRADE

Page

17 of

USB cable connected. If this

does not invoke a response to

a touch to the screen then

this may indicate a fault, and

the user should seek further

advice from TAG.

____4.5

• If x and y wire levels are

randomly moving to levels

above 4 without an applied

touch this may indicate that

the system may require better

grounding or the AC cable

moved further away from the

LCD and touch USB cable to

minimize the noise levels.

Random level fluctuations of

1 to 2 with occasional high

peaks are normal.

____4.6

• Now close the Test Sensor

page by clicking on the Close

button in the right hand corner

of the page. (Figure 1-12).

Figure 1.12 Sensor Test Page with wire level peaks as a result of and application

touch Screen. NOTE: This image reflects a shot of the Touchscreen when the center

of the screen is touched.

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Zytronic Projected Capacitive X-Y controller Touchscreen Manual de usuario Pagina 17