Toshiba 420CDT User Manual page 61

Subtest 04 Gradation & Mode test for VGA
This subtest displays gradations for each mode. Execute the test, then press
Enter to change the mode.
LCD type
TFT
DSTN
The display below appears on the screen when this subtest is executed.
Pressing Enter changes the size of the displayed image.
420 Series
Mode
3, 12, 13, 43, 52
3, 12, 13, 43
3-15