Chapter 11 troubleshooting – Acnodes APH 8170 User Manual

Page 25

661 Brea Canyon Rd., Suite 3

Walnut, CA 91789

tel: 909.598.7388, fax: 909.598.0218

are subject to change without notice. For latest product information,

please visit Acnodes’ web site at www.acnodes.com.

APH 8170

17” high brightness LCD

Industrial panel mount monitor

CHAPTER 11 TROUBLESHOOTING

1. How do I adjust the resolution?

To change monitor resolution, click Start -> Control Panel -> Display. Select Setting tab to adjust the
monitor resolution in Desktop Area. The available resolutions, "640 x 480", "800 x 600", "1024 x
768", "1152 x 864", "1280 x 1024", are deter- mined by the display card in your computer.

2. Is interference signal appeared on LCD normal when shutting down the computer ?

In rare cases, interference may appear on the monitor. This may be caused by signal rate of VGA
card and is considered normal. The image quality can be improved by adjusting the phase or pixel
rate automatically or manually.

3. The membrane power light is not ON

Press the power On / Off on LCD membrane to check if the monitor is in the ON mode. Check the
power cord is properly connected to the LCD keyboard drawer and power outlet.

4. Screen image is not centered or sized properly

Press the button for two seconds to automatically adjust the image. Adjust the H-position and V-
position settings via On-screen menu.

5. Must calibration be down after installation completed?

After connecting your touch monitor and installing the software, you must calibrate the touchscreen.
Calibration serves two purposes:

(A) Set the active area of the touchscreen.

(B) Align the touchscreen's active area to the underlying video.

6. The touchscreen is not accurate

Calibration should be required.

Make sure to touch the centre of each X once at a time.

7. The touchscreen is accurate in most areas, but off a lot in certain area

The touchscreen may have linearity problems. Please use touch screen and select more points
calibration.