User manual

Troubleshooting
35010372 02 03/2006 179
Details The following table describes each test in the Self Test menu.
Test Description
Char. Pattern
Checks the characters in each font set available on the XBT GT unit. Use this
test when characters (usually 2-byte characters) do not display properly.
OK appears if there is no error; NG appears if there is an error.
Disp. Pattern Use this test when your drawings do not display properly.
Touch Panel
Tests the touch panel cells. Each cell highlights when it’s pressed during the test.
COM 1 Checks to make sure the serial port (RS-232C and RS-485) is working properly.
To run the check, you may need to connect a loopback cable (see below).
OK appears if there is no error; an error message appears if there is an error.
COM 2
Video Memory Use this check to test the video memory (memory used for screen display).
Run this test when the screen does not display properly.
OK appears if there is no error; NG appears if there is an error.