SONY GDMF400
Service Manual

Customizing Your Monitor
You can make numerous adjustments to your monitor using the on-screen menu.

6 SCREEN (page 13) Select the SCREEN menu to adjust the picture�s quality. You can adjust the vertical and horizontal convergence, landing, and moire cancellation effect.

SCREEN

x Using the joystick
1 Select the menu you want to adjust.
26

TOP BOT ADJ

Adjusting the brightness and contrast
Brightness and contrast adjustments are made using a separate BRIGHTNESS/CONTRAST menu. These settings are stored in memory for all input signals.

Move the joystick up, down, left, or right to highlight the desired menu. Press the joystick to select the menu item.

H CONVERGENCE

Navigating the menu
Press the joystick to display the main MENU on your screen. See page 11 for more information on using the joystick. 7 LANG (page 8) Select LANG to choose the onscreen menu�s language.
LANGUAGE
ENGLISH FRAN�AIS DEUTSCH ESPA�OL I TALIANO

b
2 Adjust the menu.

1 Move the joystick in any direction.
The BRIGHTNESS/CONTRAST menu appears on the screen.
BRIGHTNESS/CONTRAST 26 26

MENU
COLOR GEOM LANG

MENU

CENTER SCREEN EXIT SIZE ZOOM OPTION

8 OPTION (page 14) Select OPTION to adjust the monitor�s options. The options include: � degaussing the screen � changing the on-screen menu position � changing the power saving delay time � locking the controls 9 EXIT Select EXIT to close the menu.

OPTION ON 5 SEC UNLOCK

Move the joystick up, down, left, or right to make the adjustment.

80.0kHz/ 75Hz

ZZ...

the horizontal and vertical frequencies of the current input signal

MANUAL DEGAUSS

2 Move the joystick up or down to adjust the
brightness ( ), and left or right to adjust the contrast (6). The menu automatically disappears after about 3 seconds.

3 Close the menu.
Use the joystick to select one of the following menus. 1 CENTER (page 11) Select the CENTER menu to adjust the picture�s centering.
CENTER

Press the joystick once to return to the main menu, and twice to return to normal viewing. If no buttons are pressed, the menu closes automatically after about 30 seconds.

Adjusting the centering of the picture (CENTER)
This setting is stored in memory for the current input signal.

EN

73

26

1 Press the joystick.
2 SIZE (page 11) Select the SIZE menu to adjust the picture�s horizontal and vertical size.
SIZE

The main MENU appears on the screen.

2 Move the joystick to highlight
73

x Resetting the adjustments
26

Press the RESET button. See page 14 for more information on resetting the adjustments.

CENTER and press the joystick again. The CENTER menu appears on the screen.

1-4

3 Move the joystick up or down to adjust the vertical
3 GEOM (page 12) Select the GEOM menu to adjust the picture�s rotation and shape.
GEOMETRY

centering, and left or right to adjust the horizontal centering.
RESET
26

ROTATION

Adjusting the size of the picture (SIZE)
This setting is stored in memory for the current input signal.

4 ZOOM (page 12) Select the ZOOM menu to enlarge or reduce the picture.

ZOOM

1 Press the joystick.
The main MENU appears on the screen.
H V 26 73

2 Move the joystick to highlight
joystick again. The SIZE menu appears on the screen.

SIZE and press the

5 COLOR (page 12) Select the COLOR menu to adjust the picture�s color temperature. You can use this to match the monitor�s colors to a printed picture�s colors.

COLOR 5000K R G B R G B B I AS B I AS B I AS GAIN GAIN GAIN 6500K 9300K 50 50 50 50 50 50

3 Move the joystick up or down to adjust the vertical
size, and left or right to adjust the horizontal size.

10

11