Sony NV-U74 Service Manual page 14

NV-U74
5. White 0%
When "White 0%" on the screen is selected, and the "EXEC" but-
ton is touched, black is displayed on full screen. To release from
this mode, touch the screen.
6. Color bar
When "Color bar" on the screen is selected, and the "EXEC" but-
ton is touched, color bar is displayed on screen. To release from
this mode, touch the screen.
7. Gray scale
When "Gray scale" on the screen is selected, and the "EXEC"
button is touched, gradation (white 100% to 0%) is displayed on
screen. To release from this mode, touch the screen.
8. Gradation
When "Gradation" on the screen is selected, and the "EXEC" but-
ton is touched, gradation (blue 100% to 0%) is displayed on screen.
To release from this mode, touch the screen.
9. ALL
When "ALL" on the screen is selected, and the "EXEC" button is
touched, above 1. Red is displayed on screen. Then whenever it
touches the screen, it is displayed in order 2. Green → 3. Blue →
5. White 0% → 6. Color bar → 7. Gray scale → 8. Gradation → 4.
White 100% → LCD/touch panel test screen.
10-4-2. Duty ratio up/down
Backlight of screen can be adjusted.
10-4-3. Photo A/D value
This mode is not used in this set.
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10-4-4. Touch panel
1. Test
The "Test" button is touched, touch panel test screen is displayed.
White point is displayed in the part touched on screen.
The coordinates in the part touched at the last are displayed in the
lower right of the screen.
Value of upper: X axis (The left end is 0)
Value of lower: Y axis (The up end is 0)
To release from this mode, touch same point on the screen twice
quickly.
2. Start Calibration
The "Calibration" button is touched, touch panel test screen is dis-
played. This mode is a mode adjusted to match the touch position
to the screen coordinates.
When test mode is set fi rst, this mode is performed. When the
calibration fi le exists, the pop up screen of the confi rmation is dis-
played. In that case, the calibration is begun when "OK" button is
touched.
Touch for about three seconds the center of the target when this
screen is displayed and then touch similarly because the next target
is displayed.
When this screen is displayed, touch the screen and preserve the
value in which the calibration is done. When not touching the
screen for 30 seconds, the value in which the calibration is done is
not preserved.
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