VarTech Systems VT420D User Manual

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Page 1

Solutions for Demanding Applications

VARTECH

S Y S T E M S I N C.

Industrial CRT and Flat Panel Displays

VT420D

Large Screen Desktop

User’s Guide

Read these instructions completely before attempting to operate your new Color Display

USER MANUAL

Page 2

Contents

Important Safety Instructions ………………………………………………...

Safety Precautions …………………………………………………………………...…… 2

¤ ¤

Installation ………………....………………………………………………………….…… 3

Use ……………………………………….………………………………………………… 3

Clean ……………………………………….…………………………………….………… 5

Warning for use ……..…………………………………….…………………....... 5

Features………………………………………………………………….……........ 6

Package Contents ……….....…………………….……………………………...

Dimension ……………………………………………………………………………….… 8

¤ ¤

Installation ……………………………………………………………………………….… 8

Power Input …………….…….………………………………………………………….… 8

Power Interface ………..…….………………………………………………………….… 8

Connection …………….…..……….……………………..…………………………….… 9

Single Source Input ………….……………………………………………….................. 9

Operating The Monitor …….…………….……………………………............... 10

The Side Controller Of The Monitor ……….....……………………..….…………….… 10

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The Remote Controller(RCU) Instructions ……………..…………………………….… 10

Change The RCU Battery ………………..….………………………….……………..… 11

OSD Menu ………………..…………………..………………………….……………..… 12

OSD Operating ……………..……………..….………………………….……………..… 14

Default Setting …………………………………………………………….……... Support

Specification …………..……………….………..........

Timing

…………..…………………………….………………….……... 17

......................................

Troubleshooting …………………………………….……….………………….

Compliance ……………………………..…………………….…………………... 19

16 18

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※ Please read this user’s manual cautiously and completely before operating this monitor.

Impor

Before using the monitor, please read this user’s manual thoroughly to help protect against damage your own and other people’s property from potential damage and ensure your own and other people personal safety.

Be sure to observe the following instructions with understood meaning below.

For your safety, be sure to observe the safety notice in this manual.

The installation or adjustment, please follow this manual instructions or refer to all servicing to qualified

service personnel.

tant Safety

Instructions

Safety Precautions

If smoke or peculiar smell comes from the monitor, remove the power plug from the outlet immediately .

If the monitor is still used in this condition, it may cause a fire or an electrical shock. Make sure that the smoke or smell stopped, then contact VarTech for inspection.

If there isn’t picture, remove the power plug from the outlet immediately .

If the monitor is still used in this condition, it may cause a fire or an electrical shock. Contact VarTech for inspection .

If water is spilled or objects are dropped into the monitor, remove the power plug from the outlet immediately.

If the monitor is still used in this condition, it may cause a fire or an electrical shock. Contact VarTech for inspection.

If the monitor is dropped or the cabinet is damaged, remove the power plug from the outlet immediately .

If the monitor is still used in this condition, if may cause a fire or an electrical shock. Contact VarTech for inspection.

To turn off the power of the monitor, press”O” on the main power switch at back cover.

The power standby/on indicator goes off and the set cannot to be turned on/ off by using the POWER button on

the remote control. (To turn on/off the monitor by the remote control, press the main power switch again and light the power standby/on indicator.)

When turning off the monitor by pressing the POWER button on the remote control, the main power of the

monitor is not turned off completely.

To disconnect the monitor completely from power supply, remove the power plug from the outlet.

If the power cord or plug is damaged or becomes hot, turn off the main power switch of the monitor, make sure the power plug has cooled down and remove the power plug from the outlet .

If the monitor is still used in this condition, it may cause a fire or an electrical shock.

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Installation

Don't install in the high-temperature environment.

If the monitor used in high-temperature or in direct sunlight, it may cause the case or other parts to be distorted,

damaged, overheating or an electric shock.

Don't install in the high-humidity environment such as a bathroom or close to a humidifier.

This may cause overheating or an electric shock.

Don't install near any heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.

This may cause a fire or an electric shock.

Don't overload outlets or cables beyond electricity capacity.

Don't use extension cords, it may cause a fire or an electric shock.

Don't insert the power plug into an outlet other than 100~240V AC.

This may cause a fire or an electric shock.

Don’t use a damaged power plug or worn outlet.

Don’t insert the improper power plug ,it may cause a fire and an electric shock.

Don't place the monitor on an unstable shelf or desk, such as a shaky table.

The monitor may fall down and cause injury damage. Please install on a horizontal, stable surface.

Don't place objects on the monitor.

If the monitor is covered under the newspaper, tablecloth or curtain, the monitor vent could be clogged, and

it may make the monitor overheating and cause the fire.

If metal or liquid (putting the vase, glass or the cosmetics) get into the monitor, it may cause a fire or an

electrical shock.

If you put the heavy object on the monitor, it may fall down and cause the injury

Please Keep 10cm minimum distance between the monitor and the wall for sufficient ventilation.

Don't move the monitor when it’s connecting power cord and cables.

When moving the monitor, make sure to take off the power plug and cables from the outlet or sync source. If not, a fire

and an electric shock may occur. If the power plug is damaged, injury may result from the monitor fall down.

When unpacking or carrying the monitor, at least 2 people are needed. Make sure the monitor is upright.

When moving or putting the monitor, avoid to face the monitor up or down.

Handle the monitor so as not to jolt the monitor.

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Use

When getting problem at installation, please contact your distributor to install for you. Don’t repair or open the monitor by yourself.

It may cause a fire or an electric shock. The monitor repair, please ask your distributor.

Protect and correctly use the power cord/ plug.

Don't heavy press the power cord/ plug, don't step on the power cord/plug.

Connect the power cord and the monitor, before insert the power plug into the wall outlet.

Don't operate the monitor with a damaged power cord, otherwise the monitor will be damaged.

Using the extension line precautions

If use the extension line, the current power of the at least, if the power of the

voltage

is smaller than the monitor, it will cause the overheated phenomenon.

voltage

should be equal to the power consumption of the monitor

If there is thunder or lightning, don’t touch the monitor or the power plug.

This may cause an electric shock.

When remove the power plug from outlet on wall, don't revolve the power cord.

This may cause the power cord damaged. When take off the power plug, please hold the plug, don’t revolve.

Don’t sprinkle any kind of liquid on the monitor.

If the monitor is sprinkled by any kind of liquid, please be sure to take off the power plug and ask a qualified

service personnel to check the monitor.

If the monitor’s surface is touched be water, please clean it with a dry and soft cloth immediately.

Don’t sprinkle volatile liquid on the monitor such as insecticide.

If the liquid enter the monitor, it may cause the electrical failure.

Don’t insert or take off the power plug with wet hands.

This may cause an electric shock.

If the monitor isn’t in use for a long time, for safety, please take off the power plug.

This may cause breakdown, or it may cause a fire. If the monitor isn’t in use for a long time, take off the power plug and store it in the proper package. The original

carton and packing should be used, if possible.

Don’t compress on the monitor panel.

This may cause personnel injury or panel damage and break-down.

Don't push or shake the monitor.

This may cause breakdown and the injury.

If the glass of the monitor panel is broken, liquid crystals may transude. Please don't touch the liquid

crystals.

If liquid crystals get into your eyes or touch your skin, wash with the clean water and go to a doctor

immediately.

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This product contains, including lead (it cause birth defects or other reproductive harm.)

After handing, please wash hands.

Precautions for the remote control batteries..

Please only use the specified battery type CR2032.

Please be sure to insert batteries by matching the ┼ and─.

Don’t recharge, heat, disassemble, short or throw batteries into a fire.

Don’t mix a new battery with a used one.

Don’t mix different types of batteries together (only use the specified type). Or, it may cause burn and injury.

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Clean

If dust has collected on the power plug, removed the plug from the outlet and clean off the dust.

The dust may cause a fire due to reduced insulation of the plug.

Take off the power plug before cleaning.

If not, it may cause an electric shock. Don’t revolve the power cord and the plug from the outlet. Or, it may cause electric shock.

Cleaning the surface of the monitor.

When the surface of the monitor is polluted, please wipe the surface with the cotton or clean cloth lightly.

If pollution is not easy to clean out, can use the cloth with 50% of the alcohol .

Please notice carefully not to alcohol enter the monitor, it may cause electrical failures.

Warning For Use

On using

The monitor may produced overheat phenomenon during operation. Please be careful.

In case of the moving of long distance, please wrap the monitor with blanket to avoid damages. Please be

careful not to bump to the monitor.

Don't expose in the rubber or vinyl for a long time . It will damage the coating.

Exemptions

This product isn’t liable for any damage by natural disaster (such as earthquake, thunder, etc), fire, acts by

third parties, accidents, owner’s intentional misuse and fault, or uses in other improper conditions.

This product isn’t liable for incidental damages (such as profit loss or interruption in business, modification

or erasure of record data, etc.) caused by use or inability to use of this product.

This product isn’t liable for any damage cause by in a p p r o p r i a t e o p e r a t i o n , o r no t fo l l o ws t h e u s er m a n u a l .

This product isn’t liable for any damage cause by misuse or malfunction through simultaneous use of this

product and the connected equipment or software.

This product isn’t liable for any damage cause by neglect of the instructions described about installation.

This product isn’t liable for any damage cause by improper installation.

T h i s produ ct i s n’ t liable for any dama ge cause by disassemble d , mod ified o r main tain ed by non-

autho rize d servi c e cen t e r or pe ople .

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Features

High-resolution HD panel

This monitor supports 1920 x 1080 HDTV format and can display true 16.7M colors, you can enjoy extreme fine pictures.

MVA system less-reflection black TFT LCD panel

MVA system and Black TFT LCD panel offer bright and wide images with clear contrast. Even placed near the windows, the monitor shows bright and clear image with little reflection. The viewing angles of the monitor are as wide as 170° both horizontally and vertically, enough to enjoy clear images at any view angle.

Offer varieties of connection

Video system Input:

There are 3 choices of connection VIDEO RCA S-VIDEO Mini Din 4 pin COMPONENT Mini Din 8 pin

Other functions

Building the photo sensor inside, the monitor will adjust the brightness according to the surrounding light

intensity.

There are two brightness levels pre-set. Under the bight condition, it will adjust to the bright mode. Under the

dim condition, the monitor will adjust to dim mode automatically.

RGB Input:

There are 2 choices of connection RGB ANALOG D-Sub 15pin RGB DIGITAL DVI-ID 24pin

RS-232C in D-sub 9pin (Option)

Signal delivery

Package Contents

Unpacking

VT420D is packed by the carton box. During transportation, in order to protect the monitor, VT420D is packed by cushions to be safe protect and package.

Before unpacking your monitor, prepare a stable, level, and clean surface near a wall outlet for your monitor. Set the LCD Monitor box in an upright position and open from the top of the box before removing the top cushions.

Accessories

1 set VT420D 1 pcs DVI-D 24 pin cable

1 pcs Power cord 1 pcs D-SUB 15pin cable

1 pcs User's manual 1 pcs S-VIDEO Mini Din 4 pin cable 1 pcs Remote controller 1 pcs Component Mini Din 8 pin cable

1 pcs RCA cable 1 pcs RS232C D-sub 9pin cable (Option)

Q’ty

Item Q’ty Item

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Dimension (Front & Back)

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Installation Environmental state

Operating temperature︰ 5℃ ~ 40℃ (Fahrenheit : 41℉ ~ 104℉)

Humidity︰ max. 85%

Power Input Power Cord

AC Power cord This power cord is used to connect the side controls of the LCD monitor and the wall outlet. Connect the power cord into main power of the monitor, and “│” is power on, “

○” is power off.

Input : 100-240V~ 3A 50/60Hz

The side of control

Single Input Interface

│ is power on

Power Interface

Main interface- switch & AC socket. Please see the chapter “Power input ”

The side controller of the monitor

The remote control (RCU )

○ is power off

Main power –Switch & AC socket

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Connection

Video (RCA ) input

S-Video input

Component Y Pb/Pr input

DVI (DVI-D) input

RGB input

RS-232C input (option)

Single Source Input Input Interface

NO. Name Remarks

1 Video-IN input connecter RCA 2 S-video input connecter Mini Din 4 pin 3 Y-Pb-Pr (Y-Cb-Cr) inputs Mini Din 8 pin 4 DVI input connecter DVI-D 24 pin 5 RGB input connecter D-Sub 15 pin 6 RS232C-IN input (option) D-Sub 9 pin

Single Cable Input

The Video Signals Input

You can select Video input form 3 connections below:

Video signals

Video RCA NTSC/PAL

S-Video 4 stitches NTSC/PAL

(Y Pb/Cb Pr/Cr) 8 stitches NTSC/PAL

A suitable signal is automatically selected..

RGB inputting

You can select RGB input for 2 connections as below:

RGB signals

RGB Analog VGA 15 pins RGB Analog

RGB Digital DVI-D DVI-D 24 pins RGB Digital

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Connection type Signal

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Signal delivery

RS-232C(Option) 9 pin

Connection type Signal

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Operating The Monitor

The Side Controller Of The Monitor

No. Key Description

1 Power Power Switch ; Power ON/OFF

ENTER

〈 / +

〉/ -

＾

﹀

Activate selection

Menu right / Value increasing

Menu left / Value decreasing

Menu down

Menu up

Enter OSD menu / Exit menu or select

The Remote Control (RCU ) Instructions

1 2 3 4 5 6

7 8 9

No. Key Description

1 POWER Power ON / OFF 2 3 4 ENTER Enter

6 PIP Picture in picture 7 MENU OSD menu 8

9 10 EXIT Exit and one level up 11 SOURCE Input source selection 12 SWITCH PIP picture switch

⇪

△

AUTO



▽

Menu left Menu up

Adjust clock, phase, H & V position

automatically

Menu right Menu down

λ OSD Lock/Unlock Control

Use control push buttons at side

Lock: Press (/+) and (▽) at the same time and OSD will be locked.



Unlock: Press (

/+) and (▽) at the same time again and OSD will be unlocked.

Use remote controller

Lock: Press Enter, Enter, Exit, Exit, Enter and Exit on the controller by sequence and OSD will be locked.

Unlock: Press Enter, Enter, Exit, Exit, Enter and Exit on the controller by sequence again and OSD will be unlocked.

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Change The RCU Battery (RCU option)

(1) (2)

i. Push down as picture (1) and pull the back cover.

ii. Replace with the new batteries as picture (2), 1 piece Lithium battery(CR2032) make sure the

polarity of batteries are correct. iii. Place back cover and slide it is as picture (3). iv. Used batteries needed to follow the city rule to be discarded.

v. Avoid keeping used, old batteries inside the remote control, causing leakage of internal liquid

resulting metal rust or fatal damage to the remote control hand unit.

vi. Battery used according to the instruction

m m

CA UTIO N

Risk of explosion if batty is replaced by an incorrect type. Dispose of used batteries according to the instructions.

About the remote controllers

Please don’t drop, shake or bump.

Please don’t place on wet materials.

Please don't dismantle.

Please don’t place in locations exposed to high-temperature or high-humidity levels..

(3)

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OSD (On Screen Display) Menu Function

Main Menu Sub-Menu Description Setting

Brightness Contrast

DISPLAY

Zoom

COLOR

Zoom Horizontal Pan

PIP Mode PIP Size

Scaling Auto Adjust

Color Temperature Select the color temperature setting

Balance Adjust the balance of the OSD menu -15,+15

Adjust the brightness of the screen Adjust the contrast of the screen 0,100

Magnify the picture of screen In,Out Select the left/right picture to magnify

Adjust the PIP mode Off,Singe,PAP Adjust the PIP size Small,Med,Large

Select the picture ratio. Auto adjustment Select

0,100

Left,Right

1:1,Fill,Aspect,pano

User,3200K,6500K,

7500K,9300K

Horizontal Adjust the OSD menu H-position 0,255

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Language Language Language setting English

Default setting

Factory reset Reset to the factory default setting Yes , N o

Set display address Select monitor ID address(optional) 0,255

Light Sensor Select the light sensor setting On, Off

Light sensor Value Adjust the light sensor value 0,100

RCU

(IVP) means selection is working on Video mode.

(IGP) means selection is working on VGA mode.

Input signal selection

VGA

DVI

Composite

S-Video

Component

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RCU

Input signal selection

(IVP) means selection is working on Video mode.

(IGP) means selection is working on VGA mode.

VGA

DVI

Composite

S-Video

Component

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OSD Operating

Structure of OSD Menus λ Main Menu

On side of controller:

Press “MENU” to enter Main Menu

Press“



/+” or “⇪/-” to select Main Menu ex (Picture setting,

Language, Original Default Setting)

On RCU:

Press “MENU” to enter Main Menu

Press“



” or “⇪” to select Main Menu ex (Picture setting,

Language, Original Default Setting).

λ Display Setting-

On side of controller:

1.Press “MENU” ->” ENTER” to enter “DISPLAY” item.

2.Press ”▽” to select sub-item(Brightness, contrast, Hue….),

3.Press “

4.Press “ENTER” again when finished adjusting.

5.Press “MENU” to exit the item.

On RCU:

1.Press the “MENU” ->” ENTER” to enter “DISPLAY” item.

2.Press ”▽” to enter sub-item(Brightness, contrast, Hue….),

3.Press “

4.Press ”ENTER” when finish adjusting.

5.Press “EXIT” to exit the item.



/+” or “⇪/-” to adjust



” or “⇪” to adjust

λ Picture Setting

On side of controller:

1.Press “MENU” to enter Main Menu.

2.Press “

3.Press “Enter” to enter item.

4.Press ”▽” to select sub-item(Vertical, Horizontal, Blend...),

5.Press “

6.Press ”Enter” when finish adjusting.

7.Press the “MENU” to exit the item.

On RCU:

1.Press the “MENU” ->” ENTER” to enter picture setting

2.Press“

3.Press the “ENTER “ to enter item.

4.Press ”▽” to enter sub-item(Vertical, Horizontal, Blend…),

5.Press “

6.Press “ENTER” to exit the item.

7.Press” EXIT“ to exit the item



/+ “ 2 times to select picture setting.



/+” or “⇪/-” to adjust



” or “⇪” to select Main Menu.



” or “⇪” to adjust

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λ Language Setting (English only)

On side of controller:

1.Press “MENU” to enter Main Menu.

2.Press “

3.Press ”▽” to select sub-item(English only),

4.Press ”Enter” when finish adjusting.

5.Press “MENU” to exit the item.

On RCU:

1.Press “MENU” ->” ENTER” to enter picture setting

2.Press“

3.Press “ENTER “ to enter item.

4.Press ”▽” to enter sub-item(English only),

5.Press “ENTER” when finish adjusting.

6.Press” EXIT“ to exit the item



/+ “ 3 times and press the “Enter” to enter item.



” or “⇪” to select Main Menu.

λ Default Setting

On side of controller:

1.Press “MENU” to enter Main Menu.

2.Press “

3.Press “Enter” to enter item.

4.Press ”▽” to select sub-item(Factory Reset. Set display …),

5.Press “

6.Press ”Enter” when finish adjusting.

7.Press “MENU” to exit the item.

On RCU:

1.Press “MENU” to enter Main Menu.

2.Press“

3.Press “ENTER “ to enter item.

4.Press ”▽” to enter sub-item(Factory Reset. Set display …),

5.Press “

6.Press “ENTER” when finish adjusting..

7.Press” EXIT“ to exit the item



/+ “ 4 times to select original default setting.



/+” or “⇪/-” to adjust



” or “⇪” to select Main Menu.



” or “⇪” to adjust

λ Input Signal Selection

On side of controller:

1.Press the “MENU” to enter Main Menu.

2.Press ”▽” to enter

3.Press “

4.Press ”Enter” when finish adjusting.

On RCU:

1.Press the “MENU” to enter Main Menu.

2.Press ”▽” to enter

3.Press “

4.Press “Enter” when finish adjusting.



/+” or “⇪/-” to select single input.



/+” or “⇪/-” to select single input.

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Default Setting

Power switch Off

Brightness 80

Contrast 50

Color temp. User

Red 255

Green 255

Blue 255

Language English

Auto Adjust On

Item

Default

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Supported Timing

Item

Video Mode

VGA 640x480

SVGA 800x600

(kHz)

31.469 59.940 25.175 N N 800 96 48 640 16 526 2 33 480 11 O O

37.861 72.809 31.500 N N 832 40 128 640 24 520 3 28 480 9 O O

37.500 75.000 31.500 N N 840 64 120 640 16 500 3 16 480 1 O O

35.156 56.250 36.000 P P 1024 72 128 800 24 625 2 22 600 1 O -

37.879 60.317 40.000 P P 1056 128 88 800 40 628 4 23 600 1 O O

48.077 72.188 50.000 P P 1040 120 64 800 56 666 6 23 600 37 O O

(Hz)

Dot

clock

(MHz)

VESA

46.875 75.000 49.500 P P 1056 80 160 800 16 625 3 21 600 1 O O

48.363 60.004 65.000 N N 1344 136 160 1024 24 806 6 29 768 3 O O

XGA 1024x768

1152x864 67.500 75.000 108.000 P P 1600 128 256 1152 64 900 3 32 864 1 O O

56.476 70.069 75.000 N N 1328 136 144 1024 24 806 6 29 768 3 O O

60.023 75.029 78.750 P P 1312 96 176 1024 16 800 3 28 768 1 O O

VGA TEXT 720x400 31.469 70.087 28.322 N P 900 108 45 720 27 449 2 35 400 12 O O

UXGA60 1600x1200 75.00 60.00 162.00

SXGA

1280x1024

640x480 35.000 66.667 30.240 N N 864 64 96 640 64 525 3 39 480 3 O

63.981 60.020 108.000 P P 1688 11 2 248 1280 48 1066 3 38 1024 1 O O

79.976 75.025 135.000 P P 1688 144 248 1280 16 1066 3 38 1024 1 O -

Macintosh

720p-50 1280x720 37.50 50.000 74.250

720p-59.9 1280x720 44.96 59.94 74.18

720p-60 1280x720 45.00 60.00 74.25

768-60 1360x768 47.72 59.95 84.75

1080i-50 1920x1080 28.13 25.00 74.25

1080i-59 1920x1080 33.72 29.97 74.18

1080p-50 1920x1080 62.50 50.00 148.5

1080p-50 1920x1080 56.25 50.00 148.5

1080p-59 1920x1080 67.43 59.94 148.35

1080p-59 1920x1080 67.50 60.00 148.5

832x624 49.725 74.500 57.283 N N 1152 64 224 832 32 667 3 39 624 1 O -

1024x768 60.150 74.720 80.000 N N 1330 96 168 1024 42 805 3 31 768 3 O -

Sync polarity H

V A B C D E O P Q R S

Horizontal (dot) Vertical (line)

2160 192 304 1600 64 1250 3 46 1200 1 O

1980 40 220 1280 440 750H 5H 20H 720H 5H O -

1650 40 220 1280 110 750H 5H 20H 720H 5H O -

1650 40 220 1280 110 750H 5H 20H 720H 5H O

1776 152 176 1360 88 796H 3H 24H 768H 1H O

2460 44 528 1920 148 562H 2H 5H 540H 15H O

2200 44 88 1920 148 562H 3H 19H 540H O O

2376 66 243 1920 147 1250 1H 160 1080 9H O

2460 44 148 1920 528 1125 5H 36H 1080 4H O -

2200 44 148 1920 88 1125 5H 36H 1080 4H O

Item

1 2

Video Mode

NTSC NTSC 358-443 15.743 59.94 16.521

PAL PAL SECAM 15.625 50.00 16.406

(kHz)

(Hz)

Dot

clock

(MHz)

Analog

Digital

(Optional)

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Specification

Item

Specification

Unit

LCD panel

Graphic

Performance

Pixel Number 1920 x R.G.B. x 1080 pixel

Pixel Arrangement RGB Vertical Stripe Display Color 16.7M color Trans-missive Mode Normally Black Viewing Angle (H / V) 176 / 176 degree Brightness 500 (typ.) cd/m2 Contrast Ratio 1000(typ.) -

Response Time 8 (Gray to Gray, typ.) msec

Separate Sync. LVDS Level -

Horizontal Sync. Positive / Negative Vertical Sync. Positive / Negative -

Input Connector

Auto Adjust Clock, Phase, H Position & V Position -

Screen Scaling VGA/SVGA/XGA/SXGA/WXGA Full Screen Display Power Management VESA DPMS, DVI DMPM Gamma Correction Off, 2.2, 2.4 Color Adjustment User, 3200K, 5400K, 6500K & 9300K OSD Language English -

D-Sub 15 pins, DVI-D 24 pins, Component

Composite, S-Video, RS-232C(option)

Power supply Input AC (Worldwide) V

Power consumption

Physical

Function OSD key 7 key

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Operation Mode

Power Saving Mode

Dimension, (WxHxD) 1026x619x103.7 (w/o stand) mm,

Net Weight 33 kg

Gross Weight 39 kg

≤

250 (max.)

≤

15(max)

Page 23

Troubleshooting

Before calling service personnel, please check the following chart for a possible cause to the trouble you are experiencing.

Perform the adjustments according to page 10 “Operation The Monitor”

Refer to the following items if you can’t find a proper item listed in the Operating the Monitor or if the problem remain.

if the problem you have experienced isn’t described below or you can’t correct the problem, stop using the monitor and call service personnel or VarTech.

Problem Check these things

No Display Check the power plug insert on wall outlet..

Check the main power switch If AC socked is OK, please check another set of equipment. Check input single, the signal may not be suitable.

Display is not in the center. If the signal timing of the computer is within the spec. Display is shaking. If the signal timing of the computer is within the spec. The remote control doesn’t work Make sure the battery is inserted matching the + and – marks of the

battery compartment. The battery may be exhausted.. Use the remote control aiming at the remote control sensor.

The picture color is pale, or not clear

Check picture quality to adjust. If you are using YUV terminals, make sure cables are correctly connected.

Compliance

FCC Compliance Statement:

This equipment has been tested and found to comply with the limits for a Class A digital device,

pursuant against equipment accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

part 15 of the FCC Rules. These limits are designed to provide reasonable protection

harmful interference when the equipment is operated in a commercial environment. This

generates, uses, and can radiate radio frequency energy and,

not installed and used in

Warning This is class A products. In a domestic environment this product may Cause radio interference in which case the user may be required to take adequate measures.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following and (2) this device must accept any interference received, including interference that

EN 55022、EN 61000-3-2、EN-61000-3-3

EN 55024、IEC61000-4 EN 60950 [Low-Voltage Directive (73/23/EEC)]

two conditions

may cause undesired operation

(1) this device may not cause harmful interference,

VT420D 22 150-114

Page 24

VarTech Systems Technical Support

For technical support and repairs, please contact Vartech SystemsTechnical Support at: (800) 223-8050 or (225) 298-0300, Monday through Friday, 7:00 am to 4:30 pm CST, excluding holidays. Fax: (297) 297-2440.

VarTech Systems Limited Warranty

VarTech Systems, Inc. warrants this enclosure against defects in material or workmanship, provided the serial number appears on the product and is as originally configured by VarTech.

If failure of the product has resulted from accident, abuse, or misapplication, VarTech Systems, Inc. shall have no responsibility under this limited warranty.

Corporate Headquarters

VarTech Systems, Inc.

11529 Sun Belt Ct

Baton Rouge, LA 70809 USA

800-223-8050

sales@vartechsystems.com

www. vartechsystems.com

VT420D 23 150-114