Z Microsystems 21 Uživatelský manuál stáhnout pdf (Strana 19)

1927-0045UM REV B Issued 02/12

FREQUENTLY ASKED QUESTIONS

5.2 Frequently Asked Questions

• Why are certain Menu Options blocked out and unavailable?

• What is the purpose of the metal surrounding one of the screw

threadings on the back side of the monitor?

Question: Answer:

• Certain Menu Options are specific to DIGITAL or ANALOG signals.

• This surrounding metal area is for the purpose of grounding the display.

• How do I update my displays’s firmware? • Updating the firmware for a display can be sensitive. Before starting this

process, please review the specific configuration for your display series.

Also, updating your firmware will depend on your display’s interface.

Does your display offer hyperterminal support?

Does your display use traditional RS-232 serial communications or USB?

Touch Screen Not Responding Accurately

The Touch Screen may require calibration from time to time. There are two forms of calibration, one is the touch panel controller in the UPDD control

panel as discussed in the Touch Panel Setup installation guide. Another method is direct contact with the display through a utility built into the operating

system on your host computer.

Other Touch Screen Aesthetics

Image appears Fuzzy

In the event that the image appears fuzzy, this may be a by-product of the resistive touch screen technology. With the resistive touch screen over the LCD

display there is a reduction in transmissivity of the LCD of 80%. This is normal and once again is a by-product of the resistive touch technology.

Touch Screen Anomalous Rippling

As an industry standard: resistive touch screen technology has produced a standard cosmetic issue referred to as “rippling.” Rippling is due to the

non-uniform expansion rate of of the lower layers of glass that make up the resistive touch screen assembly. This issue is inherent to resistive touch

technology and is a known issue.

NOTE: The functionality of the unit is not impacted by this rippling and in most cases can only be detected when the display’s backlight has been turned

off.

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