3 Tests and Diagnostics
3-18
[CONFIDENTIAL] dynabook PORTEGE A30-E/TECRA A30-G,-J/dynabook S Series Maintenance Manual (960-931)
Subtest 3 [H - pattern display]
This test displays the letter “H” on the whole screen. To back to the LCD Panel test
menu screen, press ENTER.
Subtest 4 [LCD Brightness Test]
This test displays the white screen and changes the LCD brightness to the maximum,
middle and low setting in order with 5-sec intervals. After that this test backs to the
LCD Panel test menu screen automatically.
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