Sony GDM-17SE2T User Manual

3-810-246-33 (1)

Trinitron Color Graphic Display

Multiscan17seII Multiscan20seII

Operating Instructions Mode d’emploi Manual de instrucciones MMMMM

F ES C

GDM-17SE2T

MODEL: GDM-20SE2T

 1995 by Sony Corporation

Owner’s Record

The model and serial numbers are located at the rear of the unit. Record the serial number in the space provided below. Refer to these numbers whenever you call upon your dealer regarding this product.

Model No. Serial No.

WARNING

To prevent fire or shock hazard, do not expose the unit to rain or moisture. Dangerously high voltages are present inside the set. Do not open the cabinet. Refer servicing to qualified personnel only.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

– Reorient or relocate the receiving antenna. – Increase the separation between the equipment and receiver. – Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

– Consult the dealer or an experienced radio/TV technician for

help.

You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.

INFORMATION This product complies with Swedish National Council for Metrology (MPR) standards issued in December 1990 (MPR ll) for very low frequency (VLF) and extremely low frequency (ELF).

Hinweise

• Aus ergonomischen Gründen wird empfohlen, die Grundfarbe Blau nicht auf dunklem Untergrund zu verwenden (schlechte Erkennbarkeit, Augenbelastung bei zu geringem Zeichenkontrast).

• Aus ergonomischen Gründen sollten nur Darstellungen auf dunklem Hintergrund bei Vertikalfrequenzen ab 60 Hz (ohne Zeilensprung) benutzt werden.

• Die Konvergenz des Bildes kann sich auf Grund des Magnetfeldes am Ort der Aufstellung aus der korrekten Grundeinstellung verändern. Zur Korrektur empfiehlt es sich deshalb, die Regler an der Frontseite für H STAT und V STAT so einzustellen, daß die getrennt sichtbaren Farblinien für Rot, Grün und Blau bei z.B. der Darstellung eines Buchstabens zur Deckung (Konvergenz) gelangen. Siehe hierzu auch die Erklärungen zu H STAT und V STAT.

NOTICE

This notice is applicable for USA/Canada only. If shipped to USA/Canada, install only a UL LISTED/CSA LABELLED power supply cord meeting the following specifications: SPECIFICATIONS

Plug Type Nema-Plug 5-15p Cord Type SVT or SJT, minimum 3 × 18

AWG Length Maximum 15 feet Rating Minimum 7A, 125V

NOTICE

Cette notice s’applique aux Etats-Unis et au Canada uniquement. Si cet appareil est exporté aux Etats-Unis ou au Canada, utiliser le cordon d’alimentation portant la mention UL LISTED/CSA LABELLED et remplissant les conditions suivantes: SPECIFICATIONS

Type de fiche Fiche Nema 5-15 broches Cordon Type SVT ou SJT, minimum 3 × 18

AWG Longueur Maximum 15 pieds

Tension Minimum 7A, 125V

INFORMATION Ce produit est conforme aux normes du Swedish National Council for Metrology de décembre 1990 (MPR ll) en ce qui concerne les fréquences très basses (VLF) et extrêmement basses (ELF).

Hinweis Dieses Gerät erfüllt bezüglich tieffrequenter (very low frequency) und tiefstfrequenter (extremely low frequency) Strahlung die Vorschriften des „Swedish National Council for Metrology (MPR)“ vom Dezember 1990 (MPR ll).

INFORMACIÓN Este producto cumple las normas del Consejo Nacional Sueco para Metrología (MPR) emitidas en diciembre de 1990 (MPR ll) para frecuencias muy bajas (VLF) y frecuencias extremadamente bajas (ELF).

This monitor complies with the TCO 1992 guidelines for power saving when used with a computer equipped with VESA Display Power Management Signaling (DPMS).

This monitor is Energy Star Compliant when used with a computer equipped with VESA Display Power Management Signaling (DPMS). The Energy Star emblem does not represent EPA endorsement of any product or service.

Table of Contents

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

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

Getting Started ...................................................................... 4

Using your Monitor ............................................................. 5

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

Adjustments .......................................................................... 7

Introduction

Congratulations on your purchase of a Sony Multiscan SE 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 the SE series together with Digital Multiscan Technology allows it to sync to any video mode within its wide scan range. In addition, its three factory preset color modes and three user adjustable color modes give you unprecedented flexibility in matching on-screen

Precautions

Power Saving Function ..................................................... 12

Plug and Play ..................................................................... 12

Use of the Tilt-Swivel ........................................................ 12

Damper Wire ...................................................................... 12

Specifications ...................................................................... 13

Troubleshooting................................................................. 13

colors to hard copy print outs. Furthermore, this monitor features digital controls 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.

The GDM-17SE2T is the model used for illustration purposes.

Installation

• Prevent internal heat build-up by allowing adequate air

circulation. Do not place the unit on surfaces (rugs, blankets, etc.) nor near materials (curtains, draperies) that may block the ventilation holes.

• Do not install the unit near heat sources such as

radiators or air ducts, nor 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.

Warning on Power Connection

• Use a proper power cord for your local power supply.

For the customers in U.S.A.

If you do not do this, this monitor will not conform to mandatory FCC standards.

For the customers in UK

If you use the monitor in UK, please use the supplied UK cable with UK plug.

Examples of plug shape:

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, alkaline cleaner, scouring powder or solvent, such as alcohol or benzine.

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

sharp or abrasive items, like a ball point pen or a screw driver. Otherwise, this type of contact may result in a scratched picture tube.

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

seconds after turning off the power switch to allow for the discharging of static electricity on the CRT display surface.

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

demagnetized for approximately 5 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 apart from this unit.

for 100 to 120 V AC for 220 to 240 V AC for 240 V AC only

The socket-outlet should be installed near the equipment and be easily accessible.

Getting Started

This monitor will sync with any IBM or compatible system equipped with VGA or greater graphics capability. Although this monitor will sync to other platforms, including Macintosh and Power Macintosh system, a cable adapter is required. Please consult your dealer for advice on which adapter is suitable for your needs.

Step 1: With the computer switched off, attach the video

signal cable to the monitor (HD15/5 BNC’s) and attach the other end to the video card.

to HD15

IBM or Compatible Computer

Video signal cable (supplied)

Apple Computer

to video output

Macintosh Adapter (supplied)

Step 2: With the monitor switched off, attach the power

cord to the monitor and the other end to the power outlet.

Power cord (supplied)

to a wall outlet

Step 3: Turn on the monitor and computer.

Step 4: Switch the input connector according to the

adjustment procedure on page 10.

Step 5: If necessary, adjust the user controls according to

your personal preference.

The installation of your monitor is complete. Enjoy your monitor.

Notice

To comply with the limits of FCC Class B and IC Class B for digital device, please attach the supplied video signal cable for HD15 input or SMF-400 (sold separately) for BNC input. Furthermore, each cable has ferrite cores on it.

IBM or Compatible Computer

to video output

Apple Computer

Note :

• Use HD15 (Female)-HD15(Male without No.9 pin)

adapter (not supplied) for current DOS computer which has no compliance of DDC 2AB and its No.9 pin is disconnected.

• 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.

to video output

Macintosh Adapter (supplied)

Video signal cable (not supplied)

to VIDEO IN R/G/B SYNC IN HD/VD

Using your Monitor

Preset and User Modes

The Multiscan 17seII/20seII has factory preset modes for the 10 most popular industry standards for true “plug and play” capability.

When using a video mode that is not one of the 10 factory preset modes, some fine tuning may be required to optimize the display to your preferences. Simply adjust the monitor according to the preceding adjustment instructions. The adjustments will be stored automatically and recalled whenever that mode is used. A total of 15 user-defined modes can be stored in memory. If the 16th mode is entered, it will replace the first.

For less common modes, and modes that evolve in the future, the Digital Multiscan Technology of the Multiscan 17seII/20seII 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.

Recommended horizontal timing conditions

Horizontal sync width duty should be: >4.8% of total horizontal time. Horizontal blanking width should be: >3.0 µsec.

Note: For Windows

4)

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.

GDM-17SE2T

Resolution

No.

(dots × lines)

640 × 480

720 × 400

640 × 480

832 × 624

800 × 600

1024 × 768

1280 × 1024

1024 × 768

1152 × 870

1280 × 1024

GDM-20SE2T

Resolution

No.

(dots × lines)

640 × 480

720 × 400

640 × 480

832 × 624

800 × 600

1024 × 768

1152 × 870

1280 × 1024

1600 × 1200

Horizontal Frequency

31.5 kHz

43.3 kHz

49.7 kHz

53.7 kHz

60.0 kHz

64.0 kHz

68.7 kHz

80.0 kHz

Horizontal Frequency

31.5 kHz

43.3 kHz

49.7 kHz

53.7 kHz

60.2 kHz

68.7 kHz

91.1 kHz

93.8 kHz

Vertical Frequency

60 Hz 70 Hz 85 Hz

75 Hz

85 Hz 75 Hz

60 Hz 85 Hz

75 Hz

Vertical Frequency

60 Hz 70 Hz 85 Hz

75 Hz

85 Hz 75 Hz

Graphics Mode

VGA Graphic VGA Text VESA

Macintosh 16" Color

VESA

Macintosh 19" Color

VESA VESA

Macintosh 21" Color

VESA

Graphics Mode

VGA Graphic VGA Text VESA

Macintosh 16" Color

VESA

Macintosh 19" Color

VESA

Macintosh 21" Color

VESA VESA

1) VGA is a trademark of IBM Corporation.

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

3) Macintosh is a trademark of Apple Computer Inc.

4) Windows



is a registered trademark of Microsoft

Corporation in the United States and other countries.

Functions of Controls

See the given pages for further description.

Front Rear

(HD15)

RG BHDVD

2 (BNC)

RESET OPTION CONV GEOM SIZE CENT

POWER SAVING

1 RESET button (page 11)

Press to reset the adjustment data to the factory-preset levels.

2 OPTION button (page 9-11)

Press to set the option items, such as control lock and color temperature.

3 CONV (convergence) button (page 9)

Press to adjust the vertical and horizontal convergence.

4 GEOM (geometry) button (page 8)

Press to adjust the rotation and pincushion.

5 SIZE (picture size) button (page 8)

Press to adjust the vertical and horizontal picture size.

6 CENT (center) button (page 7)

Press to adjust the vertical and horizontal picture position.

7 ¨ (brightness) –/+ (./>) buttons (page 7-11)

Press to adjust the brightness. –/+ (./>) buttons also adjust the each item.

8 > (contrast) –/+ (?//) buttons (page 7-11)

Press to adjust the contrast.

!¡AC IN connector

Plug in an AC power cord.

!™ Video input 1 connector (HD15)

The cable accepts RGB video signals (0.714 Vp-p, positive) and SYNC signals.

5 4 3 2 1

8 7 6

10 9

15 14 13 12 11

Pin No. 1 2

3 4 5 6 7

* Display Data Channel (DDC) Standard by VESA

Signal Red Green

(Composite Sync on Green)

Blue — DDC Ground* Red Ground Green Ground

Pin No. 8 9 10 11 12

13 14 15

Signal Blue Ground DDC + 5V* Ground — Bi-Directional

Data (SDA)* H. Sync V. Sync Data Clock(SCL)*

–/+ (?//) buttons also adjust the each item.

9 POWER SAVING indicator (page 12)

Lights up when the monitor is in the Power Saving Modes.

0 u power switch and indicator (page 12)

Press to turn the monitor on or off. The indicator lights up when the monitor is turned on.

!£Video input 2 connectors (5 BNC)

The cable accepts RGB video signals (0.714 Vp-p, positive) and SYNC signals.

Adjustments

0 23

CENTER

CENT

You can adjust the picture to your preference by following the procedure described below. You can adjust all items on the OSD (On Screen Display). The item being adjusted is indicated in white on the OSD.

Before adjusting the items, turn on the unit and connect a video cable to the computer/work station.

Adjusting the Picture Brightness

The adjustment data becomes the common setting for all input signals received.

1 Press the ¨ ./> button.

The “BRIGHTNESS/CONTRAST” OSD (On Screen Display) appears.

BRIGHTNESS/CONTRAST

2 Press the ¨ ./> buttons to adjust picture brightness.

. . . . for less brightness

> . . . for more brightness

The “BRIGHTNESS/CONTRAST” OSD disappears 3 seconds after you release the buttons.

Adjusting the Picture Centering

The adjustment data becomes the unique setting for the input signals received.

1 Press the CENT button.

The “CENTER” OSD (On Screen Display) appears.

2 For vertical adjustment

Press the ¨ ./> buttons.

. . . . to move down

> . . . to move up

For horizontal adjustment

Press the > ?// buttons.

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

Adjusting the Picture Contrast

The adjustment data becomes the common setting for all input signals received.

1 Press the > ?// button.

The “BRIGHTNESS/CONTRAST” OSD (On Screen Display) appears.

BRIGHTNESS/CONTRAST

2 Press the > ?// button to adjust picture contrast.

? . . . for less contrast / . . . for more contrast

The “BRIGHTNESS/CONTRAST” OSD disappears 3 seconds after you release the buttons.

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

? . . . to move left / . . . to move right

To erase the “CENTER” OSD, press the CENT button again. The “CENTER” OSD automatically disappears 10 seconds after you release the buttons.

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

Adjustments

Adjusting the Picture Size

The adjustment data becomes the unique setting for the input signals received.

1 Press the SIZE button.

The “SIZE” OSD (On Screen Display) appears.

SIZE

0 23

2 For vertical adjustment

Press the ¨ ./> buttons.

. . . . to diminish

> . . . to enlarge

For horizontal adjustment

Press the > ?// buttons.

2 Press the ¨ ./> buttons.

. . . . to rotate counterclockwise

> . . . to rotate clockwise

To erase the “GEOMETRY” OSD, press the GEOM button again. The “GEOMETRY” OSD automatically disappears 10 seconds after you release the buttons.

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

Adjusting the Pincushion

The adjustment data becomes the unique setting for the input signals received.

1 Press the GEOM button.

The “GEOMETRY” OSD (On Screen Display) appears.

GEOMETRY

? . . . to diminish / . . . to enlarge

To erase the “SIZE” OSD, press the SIZE button again. The “SIZE” OSD automatically disappears 10 seconds after you release the buttons.

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

Adjusting the Picture Rotation

The adjustment data becomes the common setting for all input signals received.

1 Press the GEOM button.

The “GEOMETRY” OSD (On Screen Display) appears.

GEOMETRY

GEOM

0 23

GEOM

0 23

2 Press the > ?// buttons.

? . . . to diminish the picture sides

/ . . . to expand the picture sides

To erase the “GEOMETRY” OSD, press the GEOM button again. The “GEOMETRY” OSD automatically disappears 10 seconds after you release the buttons.

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

Adjusting the Convergence

The adjustment data becomes the common setting for all input signals received.

1 Press the CONV button.

The “CONVERGENCE” OSD (On Screen Display) appears.

CONVERGENCE

CONV

0 23

2 Press the > / button.

The “COLOR TEMPERATURE” OSD appears.

COLOR TEMPERATURE

9300K

123

R G B

3 Adjust with the > ?// and ¨ ./> buttons.

There are three color temperature modes on the OSD. The factory settings are 1 : 5000K, 2 : 6500K, and 3 : 9300K.

76 66 55

SETSELECT

2 For vertical adjustment

Press the ¨ ./ > buttons.

. . . . to move Red down and Blue up

> . . . to move Red up and Blue down

For horizontal adjustment

Press the > ?// buttons.

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

To erase the “CONVERGENCE” OSD, press the CONV button again. The “CONVERGENCE” OSD automatically disappears 10 seconds after you release the buttons.

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

To select 5000K, 6500K or 9300K

Press the > ?// buttons.

To obtain the desired color temperature

1 Press the > ?// buttons to select the 1, 2 or 3

mode.

2 Press the ¨ ./> buttons to select R, G or B.

COLOR TEMPERATURE

9300K

123

G B

SETSELECT

3 Press the > ?// buttons to adjust the color

temperature.

66 55

Setting the Color Temperature

The selected color temperature becomes the common setting for all input signals.

1 Press the OPTION button.

The OPTION OSD (On Screen Display) appears.

COLOR TEMPERATURE

OPTION

INPUT: LOCK:

HD15 BNC UNLOCK LOCK

80.0KHz/ 75Hz

SETSELECT

The “5000K,” “6500K” or “9300K” disappears. The color temperatures are memorized in the each mode-1, 2 and 3 until you reset each.

To erase the “COLOR TEMPERATURE” OSD, press the OPTION button again. The OSD automatically disappears 30 seconds after you release the buttons.

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

OPTION

COLOR TEMPERATURE INPUT: LOCK:

SETSELECT

HD15 BNC UNLOCK LOCK

80.0KHz/ 75Hz

Adjustments

Canceling the Moire

(GDM-20SE2T only)

The adjustment data becomes the unique setting for the input signals received.

1 Press the OPTION button.

The OPTION OSD (On Screen Display) appears.

COLOR TEMPERATURE CANCEL MOIRE

OPTION

INPUT: LOCK:

2 Press the ¨ ./> buttons to select “CANCEL MOIRE”

and then press the > / button.

3 Press the > ?// buttons to select “ON” and then

press the ¨ . button.

4 Press the > ?// buttons to adjust for minimum

moire.

HD15 BNC UNLOCK LOCK

80.0KHz/ 75Hz

SETSELECT

CANCEL MOIRE

OFF ON

CANCEL MOIRE OFF ON

SET

SETSELECT

Switching the Input Connector

As the monitor has two sets of input connectors, you can switch between two input video signals. It is necessary to select the connector type (HD15/5 BNC's) correctly according to the connection.

1 Press the OPTION button.

The OPTION OSD (On Screen Display) appears.

2 Press the ¨ ./> buttons to select “INPUT” and then

press the > ?// button to select “HD15” or “BNC.”

When you switch between input sources, the monitor screen is muted for a moment (Mute) then the signal through the selected input is displayed. If the selected input do not receive any video signals, the monitor automatically returns to the other input after Mute and the OPTION OSD appears.

To erase the OPTION OSD, press the OPTION button again. The OSD automatically disappears 30 seconds after you release the buttons.

If two computers are connected to the monitor (one to each input), when one of the computers is turned on or restarted, or the monitor goes into power saving mode, the monitor may switch to the other input because the signal is temporarily interrupted. Select the input which you use, following the above steps.

To erase the “CANCEL MOIRE” OSD, press the OPTION button again. The OSD automatically disappears 30 seconds after you release the buttons.

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

Note

When the moire is cancelled, the picture may be fuzzy. Adjust the moire gradually from 0, and stop the adjustment as near to 0 as possible.

Locking the Controls

OPTION

COLOR TEMPERATURE INPUT: LOCK:

SETSELECT

HD15 BNC UNLOCK LOCK

80.0KHz/ 75Hz

RESET

Checking the Signal Frequency

This feature allows you to lock the monitor so that all the buttons, except the u power switch and OPTION button, on the front panel cannot be operated (Lock mode). Hence, your settings cannot be modified. With this function, you can ensure that your settings will remain the same even when the control buttons are exposed to others. To release the Lock mode, set it to off (UNLOCK) position. Normally keep this function set to off (UNLOCK) position.

1 Press the OPTION button.

The OPTION OSD (On Screen Display) appears.

COLOR TEMPERATURE

OPTION

INPUT: LOCK:

HD15 BNC UNLOCK LOCK

80.0KHz/ 75Hz

SETSELECT

2 Press the ¨./> buttons to select “LOCK” and then

press the >?// buttons to select “LOCK.”

The ¨ ./> buttons do not work on the OPTION OSD. The control buttons on the front panel except the OPTION button do not work. If you press any button except the u power switch and OPTION button, the

appears on the screen.

mark

It is possible to check the current vertical and horizontal frequencies of the input signal received.

Press the OPTION button. The OPTION OSD (On Screen Display) appears.

Horizontal frequency

Vertical frequency

Resetting the Adjustment Data to Factory-preset Levels

To reset an adjustment item

If you want to reset the color temperature

Select one of the three color temperature modes, (See “Setting the Color Temperature” on the page 9), and then press the RESET button before the OSD (On Screen Display) disappears.

If you want to reset the other adjustment items

Press the button of the adjustment item you want to reset, and then press the RESET button before the OSD (On Screen Display) disappears.

To Cancel the Control Lock

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

To erase the OPTION OSD, press the OPTION button again. The OSD automatically disappears 30 seconds after you release the buttons.

To reset the brightness, contrast, size, center and pincushion adjustment data at once (for the received signal)

Press the RESET button with something like a coin for one second when no OSD is shown.

To reset all adjustment data to factorypreset levels

Press and hold the RESET button for more than 2 seconds. All adjustment data including the brightness and contrast are reset to factory-preset levels.

Power Saving Function

This monitor is capable of 3 states of reduced power consumption.

By sensing the absence of one or both sync signals coming from the host computer, it will reduce power consumption as follows.

Mode

State

Normal

operation

Standby (1st step

of power

saving)

Suspend (2nd step of power

saving)

Active-off

(3rd step of power

saving)

Power-off

Power

consumption

≤ 140 W

≤ 100 W

≤ 15 W

≤ 5 W

0 W

Required

resumption

time

—

approx.

3 sec.

approx.

3 sec.

approx.

10 sec.

—

Power Saving Operation

POWER SAVING indicator

off

orange on

off

u (power)

indicator

green on

off

Plug and Play

This monitor complies with the DDCTM1, 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) to the data line. When a DDC2B or DDC2AB host system is connected, the monitor automatically switches to each communication.

DDC

is a trademark of Video Electronics Standard

Association.

Use of the Tilt-Swivel

With the tilt-swivel, this unit can be adjusted to be viewed at your desired angle within 90° horizontally and 20° vertically. To turn the unit vertically and horizontally, hold it at its bottom with both hands as illustrated below.

The H-sync is not present.

The unit goes into standby state. The V-sync is not present.

The unit goes into suspend state.

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

The unit goes into active-off state. The monitor requires a videocard or screen saver software

which switches off one or both sync signals to activate the power saving function.

Caution: The Power Saving function will automatically put

the monitor into the Active-off state if the power switch is turned on without any video signal input. Once the horizontal and vertical syncs are sensed, the monitor will automatically return to its Normal operation state.

Damper Wire

Using a white background, very thin horizontal stripes on the screen are visible as shown below. These stripes are damper wires. These wires are attached to the aperture grille inside the Trinitron tube and are there to damp vibrations of the aperture grille in order to prevent them from influencing to the picture quality.

Damper wire

GDM-17SE2T: Approx. 6 cm

GDM-20SE2T: Approx. 8 cm

GDM-17SE2T: Approx. 6 cm

GDM-20SE2T: Approx. 8 cm

+ 28 hidden pages