Sony Computer Monitor GDM W900 User Manual

3-858-582-13 (1)

Trinitron^®Color Graphic Display

GDM-W900

Operating Instructions

Mode d’emploi

Bedienungsanleitung

Manual de instrucciones

Istruzioni per l’uso

Multiscan^®

1996 by Sony Corporation

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Table of Contents

Introduction .......................................................................... 3

Precautions ............................................................................ 3

Connections ........................................................................... 4

Preset Modes ......................................................................... 5

Selecting the Input Signal.................................................... 5

Functions of Controls........................................................... 6

Selecting the OSD Language .............................................. 8

Changing the OSD Position ................................................ 8

Operating the OSD ............................................................... 8

Adjustments (Normal mode).............................................. 9

Adjustments (Expert mode).............................................. 13

Control Lock Function ....................................................... 16

Degaussing the Screen ....................................................... 16

Plug & Play.......................................................................... 17

Damper Wire....................................................................... 17

Power Saving Function...................................................... 17

Input Signal Warning Function........................................ 18

Use of the Tilt-Swivel......................................................... 18

Specifications ...................................................................... 18

Troubleshooting ................................................................. 19

Introduction

In addition, its four factory preset color modes and user

adjustable color modes give you unprecedented flexibility

in matching on-screen colors to hard copy printouts.

Furthermore, this monitor features digital control with OSD

(On Screen Display). It delivers easier adjustment by

visualizing your control statement. All together, it delivers

incredible performance with the quality and support you

can expect from Sony.

Congratulations on your purchase of a Sony Multiscan

series monitor.

This monitor incorporates over 25 years of Sony experience

with Trinitron^®display technology, ensuring excellent

performance and outstanding reliability.

The advanced design of this monitor together with Digital

Multiscan Technology allows it to sync to any video mode

within its wide scan range.

Trinitron^®is a trademark of Sony Corporation.

Precautions

Installation

Warning on power

connection

• Prevent internal heat build-up by allowing adequate air

circulation. Do not place the unit on surfaces (rugs,

blankets, etc.) or near materials (curtains, draperies) that

may block the ventilation holes.

• Do not install the unit near heat sources such as radiators

or air ducts, or in a place subject to direct sunlight,

excessive dust, mechanical vibration or shock.

• Do not place the unit near equipment which generates

magnetism, such as a converter or high voltage power

lines.

• Use the supplied power cord.

For the customers in UK

If you use the monitor in UK, please use the UK cable with J

UK plug (not supplied).

• Before disconnecting the power cord, wait for at least 30

seconds after turning off the power to allow the static

electricity on the CRT display surface to discharge.

• After the power has been turned on, the CRT is

demagnetized for approximately five seconds. This

generates a strong magnetic field around the bezel, which

may affect the data stored on magnetic tapes or disks near

the bezel. Place such magnetic recording equipment and

tapes/disks away from this unit.

Maintenance

• Clean the cabinet, panel and controls with a soft cloth

lightly moistened with a mild detergent solution. Do not

use any type of abrasive pad, scouring powder or solvent,

such as alcohol or benzine.

The socket-outlet should be installed near the

equipment and be easily accessible.

• Do not rub, touch, or tap the surface of the screen with

sharp or abrasive items, like a ballpoint pen or a

screwdriver. This type of contact may result in a scratched

picture tube.

Transportation

When you transport this monitor for repairing or shipping,

use the original carton box and packing materials.

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Connections

Connecting to the 5 BNC’s connector

Before using this monitor, check that the following items

are included in your package:

• Monitor (1)

• Video signal cable (1)

• Power cord (1)

• Macintosh¹⁾adapter (1)

• HD15 (Female) –HD15 (Male without the No. 9 pin)

adapter (1)

• Warranty card (1)

to VIDEO IN R/G/B

to SYNC IN HD/VD

• This operating instructions (1)

Video signal cable SMF-

400 (not supplied)

This monitor will sync with any IBM or compatible system

equipped with VGA ²⁾or greater graphics capability.

Although this monitor will sync with other platforms, a

cable adapter is required. Please consult your dealer for

advice on which adapter is suitable for your needs.

Connect to the computer in the same

way as for the HD15 connector.

Step 1: Connect the monitor to the

computer.

For the customers using IBM PC or IBM compatible

system which is not compatible with DDC2AB and

DDC2B+

This monitor uses a No. 9 pin in the video signal connector for

DDC2AB and DDC2B+ compatibility.

With the computer switched off, connect the video signal

cable to the monitor (HD15/5 BNC’s) and connect the other

end to the video output.

Some PC systems which are not compatible with either DDC2AB or

DDC2B+ may not accept the No. 9 pin. If you are not sure whether

your PC system accepts the No. 9 pin or not, use the HD15 (Female)

- HD15 (Male without the No. 9 pin) adapter (supplied). Make sure

that the male side (without the No. 9 pin) is connected to the

computer.

To connect the HD15 connector, use the supplied video

signal cable.

To connect the 5 BNC’s connector, use the SMF-400 video

signal cable (not supplied).

Note

Do not touch the pins of the video signal cable.

For the customers using the Macintosh computer

Supplied Macintosh adapter is compatible with Macintosh LC,

Performa, Quadra and Power macintosh series computers.

Macintosh II series and some older version of PowerBook models

may need an adapter with micro switches.

Connecting to the HD15 connector

Step 2: Connect the power cord.

With the monitor switched off, connect the power cord to

the monitor and the other end to the power outlet.

to HD15

to a wall outlet

IBM or compatible

to video output

computer

Power cord (supplied)

Video signal

cable

(supplied)

HD15–HD15 adapter

The installation of your monitor is complete. Enjoy your

monitor.

(supplied) *

Macintosh computer

to video output

Notice

To comply with the limits of FCC class B and IC Class B for digital

device, please attach supplied video signal cable for HD15 input or

SMF-400 (not supplied) for BNC input. Furthermore, each cable

must have ferrite cores in it.

Macintosh adapter

(supplied)

The HD15–HD15 adapter may be needed for some models.

1) Macintosh and Power Macintosh are trademarks of Apple

Computer Inc.

2) VGA is a trademark of IBM Corporation.

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Preset Modes

Preset modes

User modes

The monitor has nine factory preset modes for true “Plug &

Play” capability.

When using a video mode that is not one of the preset

modes, some fine tuning may be required to optimize the

display to your preference. Simply adjust the monitor

according to the adjustments instructions on pages 9 to 15.

The adjustments will be stored automatically and recalled

whenever that mode is used.

Table of preset modes

No. Resolution

(dots×lines) Frequency Frequency

640 × 480 31.5 kHz 60 Hz

720 × 400 31.5 kHz 70 Hz

Horizontal Vertical Graphic mode

A total of 16 user-defined modes can be stored in memory.

If a 17th mode is entered, it will replace the first.

VGA Graphic

VGA Text

VESA¹⁾

VESA

For less common modes, and modes that may evolve in the

future, the Digital Multiscan Technology of this monitor will

perform all of the complex adjustments necessary to ensure

a high quality picture for any timing in its frequency range.

However, due to the wide variety of video boards on the

market, it may be necessary for the user to fine tune the

vertical/horizontal size and centering.

1280 × 1024

1600 × 1200

1920 × 1080

1600 × 1024

1920 × 1200

1920 × 1035

80.0 kHz

93.8 kHz

67.5 kHz

84.4 kHz

81.3 kHz

95.0 kHz

33.8 kHz

75 Hz

60 Hz

72 Hz

76 Hz

60 Hz

Sony

Recommended horizontal timing conditions

Horizontal sync width should be more than 0.8 µsec.

Horizontal blanking width should be more than 2.7 µsec.

HDTV

1) VESA is a trademark of Video Electronics Standard Association.

Note for Windows^{® 2)}users

Check your video board manual or the utility program

which comes with your graphic board and select the highest

available refresh rate to maximize monitor performance.

2) Windows is a registered trademark of Microsoft Corporation in

the United States and other countries.

Selecting the Input Signal

This monitor has two signal input connectors and can

connect two computers. When the power of both computers

is on, select the signal you want to input as follows.

3 If necessary, adjust the user controls according to

your preference on pages 9 to 15.

When you set the INPUT switch to “AUTO”and

connect computers to both connectors

If you turn on or restart the computer you want to input a signal

from, or the computer is in power saving mode, the monitor may

automatically select another computer’s signal. This is because no

signal is input to the monitor at that moment. If this happens,

select the signal using the INPUT switch.

1 Turn on power of the monitor and the computer.

2 Select the input signal.

HD15

BNC

AUTO

For the customers using the Windows95

Even if you select SONY for the maker on the device select screen,

the model name (GDM-W900) may not appear. In this case, select

the DDC standard monitor.

INPUT

To input the signal from the computer connected to

the 5 BNC’s connector

Set the INPUT switch to BNC.

To input the signal from the computer connected to

the HD15 connector

Set the INPUT switch to HD15.

If only one computer is connected or turned on

Set the INPUT switch to AUTO (center position). The

input signal is automatically selected.

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Functions of Controls

See the given pages for further description.

Front

0 > (contrast) −/+ (?//) buttons (pages 8 –

1 INPUT switch (page 5)

16)

Selects the input signal.

Adjust the contrast.

2 RESET button (page 12)

Act as the −/+ (?//) buttons when adjusting other

Resets the adjustment to the factory preset levels.

items.

3 OPTION button (pages 8, 9, 13, 16)

!¡ POWER SAVING indicator (page 17)

Lights up when the monitor is in the Power Saving

Mode.

Displays the “OPTION” OSD (On Screen Display).

4 COLOR button (pages 12, 15)

Displays the “COLOR” OSD to adjust color

temperature.

!™ u power switch and indicator (page 17)

Turns the monitor on or off. The indicator lights up

when the monitor is turned on.

5 SCREEN button (pages 11, 14)

Displays the “SCREEN” OSD to adjust the vertical and

horizontal convergence, etc.

6 GEOM (geometry) button (pages 10, 14)

Displays the ”GEOMETRY” OSD to adjust the picture

rotation and pincushion, etc.

7 SIZE button (pages 10, 14)

Displays the “SIZE” OSD to adjust the picture size.

8 CENT (center) button (pages 10, 14)

Displays the “CENTER” OSD to adjust the picture

position.

9 ¨ (brightness) −/+ (./>) buttons (pages 8

– 16)

Adjust the picture brightness.

Act as the –/+ (./>) buttons when adjusting other

items.

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Rear

OPTION OSD

(HD15)

(BNC)

OPT ION

LANGUAGE

JPN ENG FRA

DEU ESP I TA

OSD POS I T I ON : R I GHT BOTTOM

OSD MENU

LOCK

NORMAL

UNLOCK

EXPERT

LOCK

I NPUT : BNC 84.4kHz / 72Hz

SELECT

SET

1 AC IN connector

1 LANGUAGE (page 8)

Plug in an AC power cord.

Selects an OSD language, Japanese, English, French,

German, Spanish, or Italian.

2 Video input 1 connector (HD15)

Inputs RGB video signal (0.714 Vp-p, positive) and

SYNC signal.

2 OSD POSITION (page 8)

Changes the OSD position to be displayed.

5 4 3 2

10 9 8

3 OSD MENU (pages 9, 13)

Selects the adjustment mode, normal or expert.

15 14 13 12 11

4 LOCK (page 16)

Turns on or off the control lock function.

Pin No. Signal

5 INPUT (pages 5, 18)

Red

Blue Ground

DDC + 5V*

Ground

Shows the current active connector, the BNC connectors

or the HD15 connector, and the signal frequency.

Green

(Composite

Sync on Green)

Ground

Blue

Bi-Directional

Data (SDA)*

Ground

DDC Ground*

Red Ground

Green Ground

H. Sync

V. Sync

Data Clock(SCL)*

Display Data Channel (DDC) Standard by VESA

3 Video input 2 connector (5 BNC)

Inputs RGB video signal (0.714 Vp-p, positive).

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Selecting the OSD

Language

3 Press the >?// button to move the OSD to the

desired position.

Japanese, English, French, German, Spanish, or Italian

versions of OSD are available.

1 Press the OPTION button.

The “OPTION” OSD appears.

OPTION

The “OPTION” OSD automatically disappears after about 30

seconds. To turn off the OSD, press the OPTION button

again.

2 Press the ¨./> button to select “LANGUAGE.”

Operating the OSD

OPT ION

LANGUAGE

JPN ENG FRA

DEU ESP I TA

OSD POS I T I ON : R I GHT BOTTOM

OSD MENU

LOCK

NORMAL

EXPERT

UNLOCK LOCK

Select a parameter using the ¨./> buttons in the OSD

which parameters are arranged in vertical row, and adjust or

select the setting of the selected parameter using the

>?// buttons.

I NPUT : BNC 84.4kHz/ 72Hz

SELECT SET

3 Press the >?// button to select the desired

To select a parameter to adjust or select the setting,

press ¨. or > button.

language.

The green ” mark goes to the selected parameter and the

parameter becomes yellow.

JPN: Japanese, ENG: English, FRA: French,

DEU: German, ESP: Spanish, ITA: Italian

The “OPTION” OSD automatically disappears after about

30 seconds. To turn off the OSD, press the OPTION button

again.

To adjust or select the settings of the selected parameter,

press >? or / button.

When adjusting, the bar length and the figure increase or

decrease.

When selecting the setting, the green p goes to the selected

setting.

Changing the OSD

Position

You can change the OSD position, for example, when you

want to adjust the picture behind the OSD.

1 Press the OPTION button.

The “OPTION” OSD appears.

2 Press the ¨./> button to select “OSD POSITION”.

OPT ION

LANGUAGE

JPN ENG FRA

DEU ESP I TA

OSD POS I T I ON : R I GHT BOTTOM

OSD MENU

LOCK

NORMAL

EXPERT

UNLOCK LOCK

84.4kHz/ 72Hz

SET

I NPUT : BNC

SELECT

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Adjustments (Normal mode)

You can adjust the picture to your preference.

This monitor has two levels of adjustment mode, normal

and expert.

Adjusting the picture

brightness

Before adjusting

• Connect the monitor and the computer, turn them on and

feed the signal to the monitor.

The adjustment data becomes the common setting for all

input signals received.

• Select “LANGUAGE” in the “OPTION” OSD, then select

“ENG” (English) on page 8.

1 Press the¨ (brightness) ./> button.

The “BRIGHTNESS/CONTRAST” OSD appears.

BR I GHTNESS / CONTRAST

Selecting the normal mode

1 Press the OPTION button.

The “OPTION” OSD appears.

OPT ION

OPTION

LANGUAGE

JPN ENG FRA

DEU ESP I TA

2 Press the ¨./> button again to adjust picture

brightness.

OSD POS I T I ON : R I GHT BOTTOM

OSD MENU

LOCK

NORMAL

EXPERT

. . . . for less brightness

> . . . for more brightness

UNLOCK LOCK

I NPUT : BNC 84.4kHz/ 72Hz

SELECT SET

The OSD automatically disappears after about 3 seconds.

To reset, press the RESET button while the OSD is on. The

brightness and contrast are both reset.

2 Press the ¨./> button to select “OSD MENU.”

The “OSD MENU” becomes yellow.

OPT ION

Adjusting the picture contrast

LANGUAGE

JPN ENG FRA

DEU ESP I TA

OSD POS I T I ON : R I GHT BOTTOM

OSD MENU

LOCK

NORMAL

EXPERT

The adjustment data becomes the common setting for all

input signals received.

UNLOCK LOCK

84.4kHz/ 72Hz

SET

I NPUT : BNC

SELECT

1 Press the > (contrast) ?// button.

The “BRIGHTNESS/CONTRAST” OSD appears.

3 Press the >?// button to select NORMAL.

BR I GHTNESS / CONTRAST

Move the green p to NORMAL.

OPT ION

LANGUAGE

JPN ENG FRA

DEU ESP I TA

OSD POS I T I ON : R I GHT BOTTOM

OSD MENU

LOCK

NORMAL

EXPERT

UNLOCK LOCK

84.4kHz/ 72Hz

SET

2 Press the >?// button again to adjust picture

contrast.

I NPUT : BNC

SELECT

?. . . for less contrast

/ . . . for more contrast

The “OPTION” OSD automatically disappears after about

30 seconds. To turn off the OSD, press the OPTION button

again.

The OSD automatically disappears after about 3 seconds.

To reset, press the RESET button while the OSD is on. The

brightness and contrast are both reset.

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Adjustments (Normal mode)

2 For vertical adjustment

Adjusting the picture

centering

Press the ¨ ./> buttons.

The adjustment data becomes the individual setting for each

input signal received.

1 Press the CENT button.

. . . . to decrease

> . . . to increase

The “CENTER” OSD appears.

CENT

CENTER

For horizontal adjustment

Press the > ?// buttons.

2 For vertical adjustment

Press the ¨ ./> buttons.

? . . . to decrease

/ . . . to increase

The OSD automatically disappears after about 10 seconds.

To turn off the OSD, press the SIZE button again.

. . . . to move down

> . . . to move up

To reset, press the RESET button while the OSD is on. The

horizontal and vertical sizes are both reset.

For horizontal adjustment

Press the > ?// buttons.

Adjusting the picture rotation

The adjustment data becomes the common setting for all

input signals received.

? . . . to move left

/ . . . to move right

The OSD automatically disappears after about 10 seconds.

To turn off the OSD, press the CENT button again.

1 Press the GEOM button.

To reset, press the RESET button while the OSD is on. The

horizontal and vertical centerings are both reset.

The “GEOMETRY” OSD appears.

GEOM

GEOMETRY

Adjusting the picture size

The adjustment data becomes the individual setting for each

input signal received.

2 Press the ¨./> buttons.

1 Press the SIZE button.

The “SIZE” OSD appears.

SIZE

S I ZE

. . . . to rotate counterclockwise

> . . . to rotate clockwise

The OSD automatically disappears after about 10 seconds.

To turn off the OSD, press the GEOM button again.

To reset, press the RESET button while the OSD is on. The

picture rotation and the pincushion settings are both reset.

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Convergence

Adjusting the pincushion

The adjustment data becomes the common setting for all

input signals received.

The adjustment data becomes the individual setting for each

input signal received.

Press the >?// button so that the red or blue

shadow disappears.

“H CONVERGENCE” (Horizontal convergence)

? . . . to move Red to the left and Blue to the right

/ . . . to move Red to the right and Blue to the left

1 Press the GEOM button.

The “GEOMETRY” OSD appears.

“V CONVERGENCE” (Vertical convergence)

? . . . to move Red down and Blue up

/ . . . to move Red up and Blue down

GEOM

GEOMETRY

Canceling the Moire

The adjustment data becomes the individual setting for each

input signal received.

2 Press the >?// button so that the picture edges

become straight.

Press the >?// button to select “ON” for “CANCEL

MOIRE.”

If the picture becomes unclear

The picure may become unclear by canceling moire.

Press the ¨./> button to select “MOIRE ADJ.”

Press the >?// button to adjust beginning from 0

until the moire is minimum.

The OSD automatically disappears after about 10 seconds.

To turn off the OSD, press the GEOM button again.

Landing

To reset, press the RESET button while the OSD is on. The

picture rotation and the pincushion settings are both reset.

Correct when the color is not uniform due to influence from

the earth’s magnetizm.

The adjustment data becomes the common setting for all

input signals received.

First, degauss the screen, then display an entirely white

picture for more than 20 minutes before the adjustment to

adjust more accurately.

Adjusting the screen

1 Press the SCREEN button.

The “SCREEN” OSD appears.

1 Press the ¨./> button to select “DEGAUSS.”

2 Press the >/ button.

SCREEN

CONVERGENCE

The screen is degaussed for about five seconds.

3 Press the ¨./> button to select “LANDING.”

4 Press the >/ button.

OFF ON

CANCEL MO I RE

MO I RE ADJ

LAND I NG

ADJUST

DEGAUSS

The “LANDING” OSD appears on the screen.

SELECT

SET / ADJUST

L AND I NG

SCREEN MENU

2 Press the ¨./> button to select the parameter you

want to adjust referring to the following.

The selected parameter turns yellow.

CENTER TOP/ BOT

LEFT TOP

R I GHT TOP

R I GHT BOTTOM

LEFT BOTTOM

The OSD automatically disappears after about 30 seconds.

To turn off the OSD, press the SCREEN button again.

SELECT

ADJUST

5 Press the ¨./> button to select the position, and

adjust by pressing the > ?// button.

To reset, press the RESET button while the OSD is on. The

selected parameter is reset.

To return to the “SCREEN” OSD, select “SCREEN MENU

/” and press the >/ button.

To reset, press the RESET button while the OSD is on. The

selected parameter is reset.

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Adjustments (Normal mode)

Resetting the picture size, position,

moire, and geometry* at the same time

Adjusting the color

temperature

When there is no OSD displayed, press and hold the

RESET button for one second.

The above items of the current input signal are reset to

factory-preset levels.

The adjustment data becomes the common setting for all

input signals received.

1 Press the COLOR button.

* The ”Rotation” adjustment (pages 10, 14) is not reset.

The “COLOR” OSD appears.

COLOR

COLOR TEMPERATURE

5000K

6500K

9300K

VAR I ABLE

SELECT

SET / ADJUST

2 Press the >?// buttons to select a color

temperature.

The factory settings are:

5000K, 6500K, 9300K

Adjusting the color temperature

Press the ¨./> button to select “VARIABLE,” and

adjust by pressing the >?// button.

The figure of the adjusted color temperature changes.

The OSD automatically disappears after about 30 seconds.

To turn off the OSD, press the COLOR button again.

To reset, press the RESET button while the OSD is on. The

selected color tempetarure is reset. The adjustments you

made in the expert mode (page 15) are also reset.

Resetting to the factory-

preset levels

1 Press the button of the OSD you want to reset to the

factory setting.

2 When the parameters are arranged in vertical row in

the OSD, select a parameter you want to reset by

pressing the ¨./> buttons.

3 Press the RESET button.

RESET

Resetting all adjustment data

When there is no OSD displayed, press and hold the

RESET button for more than two seconds.

All adjustment data including the brightness and contrast

are reset to factory-preset levels.

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Adjustments (Expert mode)

You can adjust more in detail in the expert mode than in the

normal mode.

Adjusting the picture

brightness and contrast

Before adjusting

• Connect the monitor and the computer, turn them on and

feed the signal to the monitor.

• Select “LANGUAGE” in the “OPTION” OSD, then select

“ENG” (English) on page 8.

The adjustment data becomes the common setting for all

input signals received.

1 Press the ¨./> button or the >?// button.

The “BRIGHTNESS/CONTRAST” OSD appears.

Selecting the expert mode

EXPERT

BR I GHTNESS / CONTRAST

CONTRAST

BR I GHTNESS

PRESET

1 Press the OPTION button.

The “OPTION” OSD appears.

SELECT

SET / ADJUST

OPT ION

OPTION

LANGUAGE

JPN ENG FRA

DEU ESP I TA

2 Press the ¨./> button to select “PRESET” and the

> ?// button to select a preset number.

OSD POS I T I ON : R I GHT BOTTOM

OSD MENU

LOCK

NORMAL

EXPERT

When you want to use the monitor later in the same

condition, just select the same preset number.

UNLOCK LOCK

I NPUT : BNC 84.4kHz/ 72Hz

SELECT SET

3 Press the ¨./> button or the >?// button to

adjust the brightness or contrast.

¨ BRIGHTNESS:

2 Press the ¨./> button to select “OSD MENU.”

The “OSD MENU” turns yellow.

Adjusts the picture brightness.

> CONTRAST:

Adjusts the picture contrast.

OPT ION

LANGUAGE

JPN ENG FRA

DEU ESP I TA

OSD POS I T I ON : R I GHT BOTTOM

OSD MENU

LOCK

NORMAL

EXPERT

UNLOCK LOCK

84.4kHz/ 72Hz

SET

The OSD automatically disappears after about 30 seconds.

To turn off the OSD, press the ¨./> or >?// button

again.

I NPUT : BNC

SELECT

To reset, press the RESET button while the OSD is on. The

selected preset number is reset.

3 Press the >?// button to select “EXPERT.”

Move the green p to EXPERT.

EXPERT appears at the top right corner of the OSD in

Expert mode.

EXPERT

OPT I ON

JPN ENG FRA

LANGUAGE

DEU ESP I TA

OSD POS I T I ON : R I GHT BOTTOM

OSD MENU

LOCK

NORMAL

UNLOCK LOCK

EXPERT

I NPUT : BNC 84.4kHz/ 72Hz

SELECT

SET / ADJUST

The “OPTION” OSD automatically disappears after about

30 seconds. To turn off the OSD, press the OPTION button

again.

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Adjustments (Expert mode)

2 Press the ¨ ./> button to select and the > ?//

Adjusting the picture

centering and size

button to adjust the parameter.

H PINCUSHION/

H PIN BAL:

Corrects the picture distortion of the picture edges.

H KEYSTONE:

Corrects the difference of picture size at the top and

bottom.

The adjustment data becomes the individual setting for each

input signal received.

H KEY BAL:

1 Press the SIZE button or the CENT button.

Corrects the imbalance of picture position at the top and

bottom.

ROTATION:

Corrects the picture rotation.

S PINCUSHION/

Corrects the wavy distortion of the picture edges.

FLARE TOP/ FLARE BOT:

The “CENTER/SIZE” OSD appears.

EXPERT

CENTER/ S I ZE

CENTER

S I ZE

S PIN BAL/

C BOW:

S I ZE

SELECT

ADJUST

Corrects the flare distortion of the picture at the top and

bottom.

2 Press the ¨./> button to select and the > ?//

button to adjust the parameter.

H CENTER:

V LINEARITY/

V LIN BAL:

Corrects the vertical linearity and the vertical linearity

balance.

Adjusts the picture position in horizontal direction.

V CENTER:

Adjusts the picture position in vertical direction.

H SIZE:

Adjusts the picture size in horizontal direction.

V SIZE:

The OSD automatically disappears after about 30 seconds.

To turn off the OSD, press the GEOM button again.

To reset, press the RESET button while the OSD is on. The

selected parameter is reset.

Adjusts the picture size in vertical direction.

The OSD automatically disappears after about 30 seconds.

To turn off the OSD, press the SIZE or CENT button again.

Adjusting the screen

To reset, press the RESET button while the OSD is on. The

selected parameter is reset.

1 Press the SCREEN button.

The “SCREEN” OSD appears.

EXPERT

SCREEN

Adjusting the picture

rotation and the pincushion

CONVERGENCE

CONV TOP

CONV BOT

FOCUS

100

CANCEL MOI RE

MOI RE ADJ

LAND I NG

OFF ON

The adjustment data becomes the individual setting for each

input signal received.

ADJUST

DEGAUSS

SELECT

SET / ADJUST

1 Press the GEOM button.

The “GEOMETRY” OSD appears.

2 Press the ¨./> button to select and the >?//

EXPERT

GEOMETRY

button to adjust the parameter.

P I NCUSH I ON

P I N BAL

100

KEYSTONE

KEY BAL

H CONVERGENCE/V CONVERGENCE:

Adjusts the horizontal convergence and the vertical

convergence.

The adjustment data becomes the common setting for all

input signals received.

ROTAT I ON

P I NCUSH I ON

P I N BAL

BOW

FLARE TOP

FLARE BOT

L I NEAR I TY

L I N BAL

V CONV TOP/V CONV BOT:

SELECT

ADJUST

Adjusts the vertical convergence at the top and bottom

of the screen.

The adjustment data becomes the common setting for all

input signals received.

H FOCUS:

Adjusts the horizontal focusing.

The adjustment data becomes the common setting for all

input signals received.

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CANCEL MOIRE:

The OSD automatically disappears after about 30 seconds.

To turn off the OSD, press the COLOR button again.

Cancels the moire when ”ON” is selected.

The adjustment data becomes the individual setting for

each input signal received.

To reset all parameters of a particular color

temperature

MOIRE ADJ:

Select the color temperature in step 2, and then press the

RESET button. All parameters of the color temperature are

reset and “++” at the right shoulder disappears.

Reduces fuzziress of the picture caused by canceling

moire.

Adjust beginning from 0 until the moire is minimum.

The adjustment data becomes the individual setting for

each input signal received.

To reset a particular parameter of a particular color

temperature

Select the parameter in step 3, and then press the RESET

button. Only the selected parameter of the color

temperature is reset.

LANDING:

See “Landing” on page 11.

The adjustment data becomes the common setting for all

input signals received.

Resetting to the factory-

preset levels

DEGAUSS:

See “Degaussing the screen” on page 16.

Reset in the same way as described in “Resetting to the

factory-preset levels” on page 12.

The OSD automatically disappears after about 30 seconds.

To turn off the OSD, press the SCREEN button again.

To reset, press the RESET button while the OSD is on. The

selected parameter is reset.

Adjusting the color

The adjustment data becomes the common setting for all

input signals received.

1 Press the COLOR button.

The “COLOR” OSD appears.

EXPERT

COLOR

COLOR TEMPERATURE

5000K

VAR I ABLE

6500K

93 00K

100

B I AS

GA I N

SELECT

SET / ADJUST

2 Press the >?// button to select the color

temperature to adjust, 5000, 6500 or 9300.

3 Press the ¨./> button to select and the >?//

button to adjust the parameter.

VARIABLE:

Adjusts the color selected in step 2 to the desired color

temperature. The figure of the selected color

temperature changes.

R BIAS/G BIAS/B BIAS:

Adjusts the black level of each signal. “++” appears at

the right shoulder of the adjusted color temperature.

R GAIN/G GAIN/B GAIN:

Adjusts the white level of each signal. “++” appears at

the right shoulder of the adjusted color temperature.

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Control Lock

Function

Degaussing the

Screen

The control lock function disables all the buttons on the

front panel except the u (power) and OPTION buttons and

the INPUT switch.

The screen of the monitor is automatically degaussed when

the power is turned on (page 3).

You can degauss manually.

1 Press the OPTION button.

1 Press the SCREEN button.

The “OPTION” OSD appears.

The “SCREEN” OSD appears.

OPT ION

OPTION

SCREEN

LANGUAGE

JPN ENG FRA

DEU ESP I TA

CONVERGENCE

OSD POS I T I ON : R I GHT BOTTOM

OSD MENU

LOCK

OFF ON

CANCEL MO I RE

MO I RE ADJ

LAND I NG

NORMAL

EXPERT

UNLOCK LOCK

ADJUST

DEGAUSS

I NPUT : BNC 84.4kHz/ 72Hz

SELECT

SET / ADJUST

SELECT

SET

2 Press the ¨ ./> button to select “DEGAUSS.”

2 Press the ¨./> button to select “LOCK.”

3 Press the > / button.

3 Press the >?// button to select “LOCK.”

The screen is degaussed for about five seconds.

The “OPTION” OSD automatically disappears after about

30 seconds. To turn off the OSD, press the OPTION button

again.

Once you select “LOCK,” you cannot select other item on

the “OPTION” OSD using the ¨ ./> button.

If you press any button other than the u (power) and

OPTION buttons and the INPUT switch, the

appears on the screen.

mark

To cancel the control lock

Press the > ?// button to select “UNLOCK.”

Note

Use the control lock function only when necessary.

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Plug & Play

Power Saving

Function

This monitor complies with the DDC 1, DDC2B and

DDC2AB which are the Display Data Channel (DDC)

standards of VESA.

When a DDC1 host system is connected, the monitor

synchronizes with the V. CLK in accordance with the VESA

standards and outputs the EDID (Extended Display

Identification Data) to the data line.

This monitor is capable of three states of reduced power

consumption. By sensing the absence of video signals and

one or both sync signals coming from the host computer, it

will reduce power consumption as follows.

When a DDC2B or DDC2AB host system is connected, the

monitor automatically switches to each communication.

Recovery POWER

Power

consumption consump-

state

Power

u (power)

indicator

time

SAVING

indicator

tion

DDC is a trademark of Video Electronics Standard Association.

—

Off

Normal

operation

≤ 200 W

Green on

Off

Approx.

3 sec.

Orange on

Off

Standby

(1st state)

≤ 140 W

≤ 15 W

≤ 8 W

0 W

Damper Wire

Approx.

3 sec.

Suspend

(2nd state)

Using a white background, very thin horizontal lines on the

screen are visible as shown below. These lines are damper

wires.

Approx.

10 sec.

Active-off

(3rd state)

—

Power-off

Off

The Trinitron tube has a vertically striped Aperture Grill

inside. The Aperture Grille allows more light to pass

through to the screen giving the Trinitron CRT more color

and brightness.

These damper wires are attached to the Aperture Grille to

prevent vibration of the Aperture Grille wire so that the

screen image is constantly stable.

Power saving operation

• The H-sync is not present.

/ The unit goes into standby state.

• The V-sync is not present.

/ The unit goes into suspend state.

Damper wire

• Both the H-sync and V-sync are not present.

/ The unit goes into active-off state.

The monitor requires a video card or screen saver software

which switches off one or both sync signals to activate the

power saving function.

Caution

If no video signal is input to the monitor, or if the INPUT

switch is set to the connector to which no signal is input

when you turn on the monitor, the input signal warning

indicator (page 18) appears. After 30 seconds, the Power

Saving function automatically puts the monitor into the

Active-off state and the POWER SAVING indicator lights

up. Once the horizontal and vertical syncs are sensed, the

monitor will automatically return to its Normal operation

state.

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Input Signal

Warning Function

Use of the Tilt-

Swivel

If there is something wrong with the input signal, one of the

following messages appears when you turn the monitor off

and on, or when you operate the INPUT switch.

With the tilt-swivel, this unit can be adjusted to be viewed

at the desired angle within 310° horizontally and 20°

vertically.

To turn the unit vertically and horizontally, hold it at its

bottom with both hands as illustrated below.

The message disappears after about 30 seconds.

PLEASE CHECK THE S I GNAL

I NPUT : HD15

155°

FH : 84.4kHz FV : Hz

15°

155°

5°

1 Shows the INPUT switch setting.

2 Shows the input signal condition.

“FH: - kHz” indicates no horizontal sync signal.

“FV: - Hz” indicates no vertical sync signal.

“OUT OF SCAN RANGE” indicates that the input signal

is not supported by the monitor’s specifications.

Specifications

“NO CONNECTION” indicates that the supplied video

signal cable is disconnected from the HD15 connector

when the INPUT switch is set to “HD15.”

Picture tube

0.25 – 0.28 mm aperture grille pitch

24 inches measured diagonally

90-degree deflection

Viewable image size

Approx. 482 × 304 mm (w/h)

(19 × 12 inches)

22.5” viewing image

Resolution

Horizontal: Max. 1920 dots

Vertical: Max. 1200 lines

Approx. 473 × 296 mm (w/h)

(18 ⁵/8 × 11 ³/4 inches)

Horizontal: 30 to 96 kHz

Vertical: 50 to 160 Hz

Standard image area

Deflection frequency

Input

HD15 (1), 5 BNC (1)

R/G/B: 75 Ω, 0.714 Vp-p, positive

HD/VD or Composite sync

Sync-on-green: 0.286 Vp-p,

negative

AC input voltage/current

100 to 120 V, 50/60 Hz, 2.2 A

200 to 240 V, 50 – 60 Hz, 1.4 A

Max. 200 W

580 × 500 × 548 mm (w/h/d)

(22 ⁷/8 × 19 ³/4 × 21 ⁵/8 inches)

Approx. 41 kg (90 lb 6 oz)

Power consumption

Dimensions

Mass

Design and specifications are subject to change without

notice.

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Troubleshooting

This section may help you isolate a problem and as a result, eliminate the need to contact technical support, allowing

continued productivity.

Note the model name and the serial number of your monitor. Also note the make and name of your computer and video

board.

Symptom

Check these items

No picture

If neither u (power)

• Check that the power cord is properly connected.

indicator nor POWER

SAVING indicator is lit

• Check that the u (power) switch is in the “on” position.

If the POWER SAVING

indicator is lit

• Check that your computer power switch is in the “on” position.

• The monitor will recover when you press any key on the keyboard of the computer.

• The INPUT switch setting is incorrect.

• Check that the video signal cable is properly connected and all plugs are firmly seated in

their socket.

• Check that the 5 BNC’s are connected in the correct order (from the power cord side:

Red–Green–Blue–HD–VD).

• Ensure that no pins are bent or pushed in the HD15 video input connector.

• Check that the video board is seated completely in the proper bus slot.

If the u (power) indicator

is flashing in green

• Check that the video frequency range is within that specified for the monitor.

(Horizontal: 30 – 96 kHz, Vertical: 50 – 160 Hz)

If the u (power) and/or

POWER SAVING

indicators are flashing in

orange

• Turn the monitor off and on. If the indicator is off, the monitor is in the normal

condition. If the indicator is still flashing, there is a potential monitor failure.

If you do the above

procedures and the

monitor does not recover

• Unplug the video input 1 and 2 connectors and wait for 5 seconds. Then press and hold

the > + button for 2 seconds to display the color bars. If the color bars appear, the

monitor may be in normal condition. Turn the monitor off and on to return to the

normal operation mode. If the color bars do not appear, there is a potential monitor

failure.

If using a Macintosh

system

• Check that the Macintosh adapter and the video signal cable are properly connected,

and the dip switches of the adapter are properly set.

If using a Windows95

• When you cannot find “GDM-W900” among the Sony monitors on the Windows95

device select screen, select the DDC standard monitor.

Picture is scrambled

• Check your graphic board manual for proper monitor setting.

• Check this manual and confirm that the graphic mode and the frequency at which you

are trying to operate is supported (page 5). Even within the proper range some video

boards may have a sync pulse that is too narrow for the monitor to sync correctly.

Color is not uniform

• Degauss the monitor (page 16).

If you place equipment which generates a magnetic field such as a loudspeaker, or you

change the direction of the monitor, color may lose uniformity.

This function is to demagnetize the metal frame of the CRT to obtain a neutral field for

uniform color reproduction. If a second degauss cycle is needed, allow a minimum

interval of 20 minutes for the best result.

• Adjust the landing (page 11).

You cannot adjust the

monitor with the buttons on

the front panel

• If the control lock function is set to on, set it to off on the OPTION OSD (page 16).

You will be able to adjust the monitor.

White does not look white

• Adjust color (page 12, 15).

• Check that the 5 BNC’s are connected in the correct order (from the power cord side:

Red–Green–Blue–HD–VD).

^{Continued to the next page}19

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Troubleshooting

Symptom

Check these items

• Adjust the centering or size (pages 10, 14).

• Some video modes do not fill the screen to the edge of the monitor. There is no single

answer to solve the problem. This problem tends to occur on higher refresh timings.

Screen image is not centered

or sized properly

• Adjust the geometry items such as pincushion and keystone distortion (page 11, 14).

Edges of the image are

curved

• Adjust the convergence (pages 11, 14).

White lines show red or blue

shades at edges

• Adjust the contrast and brightness (page 9).

• Degauss the monitor (page 16).

Picture is fuzzy

If you place equipment which generates a magnetic field such as a loudspeaker, or you

change the direction of the monitor, color may lose uniformity.

This function is to demagnetize the metal frame of the CRT to obtain a neutral field for

uniform color reproduction. If a second degauss cycle is needed, allow a minimum

interval of 20 minutes for the best result.

• If red or blue shades are found at the edge of images, adjust the convergence (pages 11,

14).

• If the moire is cancelled, the picture may become fuzzy. Adjust so that the picture is as

clear as possible (page 11, 15).

• Isolate and eliminate any potential sources of electric or magnetic fields. Common causes

for this symptom are electric fans, fluorescent lighting, laser printers, and so on.

• If you have another monitor close to this monitor, increase the distance between them to

reduce the interference.

Picture bounces or has wavy

oscillations

• Try plugging the monitor into a different AC outlet, preferably on a different circuit.

• Try the monitor on a completely different computer in a different room.

• Set the refresh rate to non-interlace of 75 Hz or more on the computer referring to the

computer’s manual.

Picture is not stable

• Eliminate the use of video cable extension cable and/or video switch boxes if this

symptom occurs. Excessive cable length or weak connection can produce this symptom.

Picture appears to be

ghosting

Two fine horizontal lines

(wires) are visible

• These wires stabilize the vertically striped Aperture Grille (page 17). This Aperture Grille

allows more light to pass through to the screen giving the Trinitron CRT more color and

brightness.

Wavy or elliptical (moire)

pattern is visible

• Cancel the moire (page 11, 15).

The moire may be modified depending on the connected computer.

• Due to the relationship between resolution, monitor dot pitch and the pitch of some

image patterns, certain screen backgrounds, especially gray, sometimes show moire.

Change your desktop pattern.

Hum is heard right after the

power is turned on

• When the power is turned on, the auto-degauss cycle is activated. While the Auto-

degauss cycle is activated, a hum may be heard. This is not a malfunction.

Because of vibration and

shock during transportation,

the Aperture Grille may

occasionally slip out of place

and black stripes may

appear

• Lightly pat the sides of the monitor.