AMX MVP-7500/8400 manual Testing your Calibration, If Calibration Is Not Working

Panel Calibration

The request to touch the crosshairs is the first on-screen message

Calibration successful is the second on-screen message that appears after the calibration process is completed

On-screen crosshairs used for

calibration of the touch device

FIG. 89 Touch Panel Calibration Screens

If the calibration was improperly set and you cannot return to the Calibration page (through the panel’s firmware); you can then access this firmware page via G4 WebControl where you can navigate to the Protected Setup page and press the Calibrate button through your VNC window.

This action causes the panel to go to the Calibration page seen above, where you can physically recalibrate the actual touch panel again using the above procedures.

Testing your Calibration

1.Press and hold down the on-screen Calibration button for 6 seconds to enter the Calibration Test page (FIG. 90).

On-screen crosshairs is used to verify a proper calibration of the panel

FIG. 90 Calibration Test page

2.Press anywhere on this page to confirm the on-screen crosshairs match your touch points.

3.If the crosshairs do not appear directly below your LCD touch points, press the Back button and recalibrate the panel using the above steps.

Peel the protective plastic film from the LCD.

If the protective plastic film on the LCD is not removed, the panel may not respond properly to touch points on the LCD nor allow proper screen calibration.

4.Exit this Calibration Test page by pressing the Back button to return to the Protected Setup page.

If Calibration Is Not Working

Cycling power to the panel should provide a baseline calibration for the particular touch panel. Re-calibrate the panel.

156 MVP-7500/8400 Modero Viewpoint Wireless Touch Panels