ViewSonic CD4220, VS11895 User Manual

ViewSonic

CD4220

LCD Commercial Display

®

IMPORTANT: Please read this User Guide to obtain important

information on installing and using your product in a safe manner, as

well as registering your product for future service. Warranty information

contained in this User Guide will describe your limited coverage from
ViewSonic Corporation, which is also found on our web site at http://

www.viewsonic.com in English, or in specific languages using the

Regional selection box in the upper right corner of our website.

“Antes de operar su equipo lea cuidadosamente las instrucciones en

este manual”

Model No. : VS11895

Content

Safety Precautions..................................................................................................5

Package Contents...................................................................................................6

Parts Name and Functions.....................................................................................7

Control Panel............................................................................................................................ 7

Terminal Panel.......................................................................................................................... 8

Wireless Remote Control .........................................................................................................9

Operating Range for the Remote Control .............................................................................. 10

Handling the remote control................................................................................................... 10

Setup Procedure...................................................................................................11

How to Mount and Attach Options to the LCD Monitor......................................13

Connections..........................................................................................................15

Wiring Diagram....................................................................................................................... 15

Connecting a Personal Computer.......................................................................................... 16

Connecting with Digital Interface Equipment ......................................................................... 17

Connecting a DVD Player with component out...................................................................... 18

Connecting to a Stereo Amplifier............................................................................................ 19

Basic Operation ....................................................................................................20

Power ON and OFF Modes.................................................................................................... 20

Power Indicator....................................................................................................................... 21

Using Power Management..................................................................................................... 21

Selecting a video source........................................................................................................ 21

Picture Size ............................................................................................................................ 21

Picture Mode .......................................................................................................................... 22

Audio Source Switching ......................................................................................................... 22

Information OSD .................................................................................................................... 22

OSD (On-Screen-Display) Controls.....................................................................23

PICTURE................................................................................................................................ 24

SCREEN ................................................................................................................................25

AUDIO .................................................................................................................................... 26

PICTURE IN PICTURE .......................................................................................................... 27

CONFIGURATION 1 ..............................................................................................................28

CONFIGURATION 2 ..............................................................................................................29

ADVANCED OPTION............................................................................................................. 30

Controlling the LCD monitor via RS-232C Remote Control ..............................34

Appendix: Installing and removing stands.........................................................35

Features.................................................................................................................36

Troubleshooting....................................................................................................37

Specifications........................................................................................................38

Customer Support ................................................................................................39

Limited Warranty...................................................................................................40

CD4620/CD4220 RS232 Protocol.........................................................................44

ViewSonic CD4220 i

Compliance Information

For U.S.A.

This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. this equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in 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.

Warning: You are cautioned that changes or modifications not expressly approved by the
party responsible for compliance could void your authority to operate the equipment.

For Canada

This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.

CE Conformity for European Countries

The device complies with the requirements of the EEC directive 89/336/EEC,
2004/108/EEC as amended by 92/31/EEC and 93/68/EEC Art.5 with regard to
"Electromagnetic compatibility", and 73/23/EEC as amended by 93/68/EEC
Art.13 with regard to "Safety."

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

Following information is only for EU-member states:

The mark shown to the right is in compliance with the Waste Electrical and
Electronic Equipment Directive 2002/96/EC (WEEE).

The mark indicates the requirement NOT to dispose the equipment as unsorted
municipal waste, but use the return and collection systems according to local law.

ViewSonic CD4220 1

Important Safety Instructions

1. Read these instructions completely before using the equipment.

2. Keep these instructions in a safe place.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this equipment near water. Warning: To reduce the risk of fire or

electric shock, do not expose this apparatus to rain or moisture.

6. Clean with a soft, dry cloth. If further cleaning is required, see “Cleaning the

Display” in this guide for further instructions.

7. Do not block any ventilation openings. Install the equipment in accordance with

the manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat registers, stoves, or

other devices (including amplifiers) that produce heat.

9. Do not attempt to circumvent the safety provisions of the polarized or grounding-

type plug. A polarized plug has two blades with one wider than the other. A
grounding type plug has two blades and a third grounding prong. The wide blade
and the third prong are provided for your safety. If the plug does not fit into your
outlet, consult an electrician for replacement of the outlet.

10. Protect the power cord from being tread upon or pinched, particularly at the plug,

and the point where if emerges from the equipment. Be sure that the power outlet
is located near the equipment so that it is easily accessible.

11. Only use attachments/accessories specified by the manufacturer.

12. Use only with the cart, stand, tripod, bracket, or table specified by

the manufacturer, or sold with the equipment. When a cart is used,
use caution when moving the cart/equipment combination to avoid
injury from tipping over.

13. Unplug this equipment when it will be unused for long periods of time.

14. Refer all servicing to qualified service personnel. Service is required when the unit

has been damaged in any way, such as: if the power-supply cord or plug is
damaged, if liquid is spilled onto or objects fall into the unit, if the unit is exposed
to rain or moisture, or if the unit does not operate normally or has been dropped.

ViewSonic CD4220 2

Declaration of RoHS Compliance

This product has been designed and manufactured in compliance with Directive 2002/
95/EC of the European Parliament and the Council on restriction of the use of certain
hazardous substances in electrical and electronic equipment (RoHS Directive) and is
deemed to comply with the maximum concentration values issued by the European
Technical Adaptation Committee (TAC) as shown below:

Substance Proposed Maximum Concentration Actual Concentration

Lead (Pb) 0.1% < 0.1%

Mercury (Hg) 0.1% < 0.1%

Cadmium (Cd) 0.01% < 0.01%

Hexavalent Chromium (Cr

Polybrominated biphenyls (PBB) 0.1% < 0.1%

Polybrominated diphenyl ethers (PBDE) 0.1% < 0.1%

6+

)

0.1% < 0.1%

Certain components of products as stated above are exempted under the Annex of
the RoHS Directives as noted below:

Examples of exempted components are:

1. Mercury in compact fluorescent lamps not exceeding 5 mg per lamp and in other

lamps not specifically mentioned in the Annex of RoHS Directive.

2. Lead in glass of cathode ray tubes, electronic components, fluorescent tubes, and

electronic ceramic parts (e.g. piezoelectronic devices).

3. Lead in high temperature type solders (i.e. lead-based alloys containing 85% by

weight or more lead).

4. Lead as an allotting element in steel containing up to 0.35% lead by weight,

aluminium containing up to 0.4% lead by weight and as a cooper alloy containing
up to 4% lead by weight.

ViewSonic CD4220 3

Copyright Information

Copyright © ViewSonic® Corporation, 2007. All rights reserved.
Macintosh and Power Macintosh are registered trademarks of Apple Computer, Inc.
Microsoft, Windows, Windows NT, and the Windows logo are registered trademarks of

Microsoft Corporation in the United States and other countries.
ViewSonic, the three birds logo, OnView, ViewMatch, and ViewMeter are registered
trademarks of ViewSonic Corporation.
VESA is a registered trademark of the Video Electronics Standards Association.

DPMS and DDC are trademarks of VESA.
ENERGY STA R® is a registered trademark of the U.S. Environmental Protection Agency

(EPA).
As an ENERGY STA R® partner, ViewSonic Corporation has determined that this product

meets the ENERGY STAR® guidelines for energy efficiency.
Disclaimer: ViewSonic Corporation shall not be liable for technical or editorial errors or

omissions contained herein; nor for incidental or consequential damages resulting
from furnishing this material, or the performance or use of this product.

In the interest of continuing product improvement, ViewSonic Corporation reserves
the right to change product specifications without notice. Information in this document
may change without notice.
No part of this document may be copied, reproduced, or transmitted by any means, for
any purpose without prior written permission from ViewSonic Corporation.

Product Registration

To meet your future needs, and to receive any additional product information as it
becomes available, please register your product on the Internet at:

www.viewsonic.com. The ViewSonic Wizard CD-ROM also provides an opportunity

for you to print the registration form, which you may mail or fax to ViewSonic.

For Your Records

Product Name:

Model Number:
Document Number:
Serial Number:
Purchase Date:

Product disposal at end of product life

The lamp in this product contains mercury. Please dispose of in accordance with
local, state or federal laws.
ViewSonic is concerned about the preservation of our environment. Please dispose of
this product properly at the end of its useful life. For the recycling information, please
refer to our website:

1. USA: www.viewsonic.com/pdf/RecyclePlus.pdf

2. Europe: www.viewsoniceurope.com

3. Taiwan: recycle.epa.gov.tw

CD4220
ViewSonic 42” LCD Commercial Display
VS11895
CD4220-1_UG_ENG Rev. 1A 11-19-07
_______________________________
_______________________________

ViewSonic CD4220 4

Safety Precautions

FOR OPTIMUM PERFORMANCE,
PLEASE NOTE THE FOLLOWING WHEN SETTING UP AND USING THE LCD COLOR MONITOR:

DO NOT REMOVE MONITOR BACK COVER. There are no user serviceable parts inside and opening or

y

removing covers may expose you to dangerous shock hazards or other risks. Refer all servicing to qualified service
personnel.

y Do not spill any liquids into the cabinet or use your monitor near water.
y Do not insert objects of any kind into the cabinet slots, as they may touch dangerous voltage points, which can be

harmful or fatal or may cause electric shock, fire or equipment failure.

y Do not place any heavy objects on the power cord.

Damage to the cord may cause shock or fire.

y Do not place this product on a sloping or unstable cart, stand or table, as the monitor may fall, causing serious damage

to the monitor.

y When operating the LCD monitor with an AC 100-120V power supply in North America, use a power supply cord

provided with this monitor.

y When operating the LCD monitor with an AC 220-240V power supply in Europe, use a power supply cord provided with

this monitor.

y In UK, use a BS-approved power cord with molded plug having a black (10A) fuse installed for use with this monitor.

If a power cord is not supplied with this monitor, please contact your supplier.

y When operating the LCD monitor with a 220-240V AC power supply in Australia, use the power cord provided with this

monitor.
If a power cord is not supplied with this monitor, please contact your supplier.

y For all othercase, use a power cord that matches the AC voltage of the power outlet and has been approved by and

complies with the safety standard of your particular country.

y Do not place any objects onto the monitor and do not use the monitor outdoors.
y The inside of the fluorescent tube located within the LCD monitor contains mercury. Please follow the laws or rules of

your municipality to dispose of the tube properly.

y Do not bend power cord.
y Do not use monitor in high temperature, humid, dusty, or oily areas.
y If monitor or glass is broken, do not come in contact with the liquid crystal and handle with care.
y Allow adequate ventilation around the monitor, so that heat can properly dissipate. Do not block ventilated openings or

place the monitor near a radiator or other heat sources.
Do not put anything on top of the monitor.

y The power cable connector is the primary means of detaching the system from the power supply. The monitor should

be installed close to a power outlet, which is easily accessible.

y Handle with care when transporting. Save packaging for transporting.
y Please clean the holes of back cabinet to reject dirt and dust at least once a year because of set reliability.
y If using the cooling fan continuously, it’s recommended to wipe holes a minimum of once a month.
y When installing the remote control batteries;

- Align the batteries according to the (+) and (-) indications inside the case.

- Align the (-) indication of the battery first inside the case.

CAUTION:

Immediately unplug your monitor from the wall outlet and refer servicing to qualified service personnel under the following
conditions:

y When the power supply cord or plug is damaged.
y If liquid has been spilled, or objects have fallen into the monitor.
y If the monitor has been exposed to rain or water.
y If the monitor has been dropped or the cabinet damaged.
y If the monitor does not operate normally by following operating instructions.

Recommended Use
CAUTION:

y For optimum performance, allow 20 minutes for warm-up.
y Rest your eyes periodically by focusing on an object at least 5 feet away. Blink often.
y Position the monitor at a 90° angle to windows and other light sources to minimize glare and reflections.
y Clean the LCD monitor surface with a lint-free, nonabrasive cloth. Avoid using any cleaning solution or glass cleaner!
y Adjust the monitor’s brightness, contrast and sharpness controls to enhance readability.
y Avoid displaying fixed patterns on the monitor for long periods of time to avoid image persistence (after image effects).
y Get regular eye checkups.

Ergonomics

To realize the maximum ergonomic benefits, we recommend the following:

y Use the preset Size and Position controls with standard signals.
y Use the preset Color Setting.
y Use non-interlaced signals.
y Do not use primary color blue on a dark background, as it is difficult to see and may produce eye fatigue due to

insufficient contrast.

ViewSonic CD4220 5

Package Contents

Your new CD4220 monitor box* should contain the following:

y LCD monitor
y Power Cord
y Video Signal Cable
y User’s Manual in CD Wizard
y Wireless Remote Control and AAA Batteries
y Quick Start Guide (A4)

LCD monitor

Quick Start Guide Video Signal Cable

CD Wizard Power cored

For North America

Remote control &

AAA batteries

ViewSonic CD4220 6

Part s Name and Functions

Control Panel

Button Location

POWER button ( ) - Switches the power on/off.
MUTE button - Switches the audio mute ON/OFF.
INPUT button - Acts as SET button with OSD menu.(Toggle switches between [RGB1], [RGB2], [RGB3], [RGB4],

[DVD/HD], [VIDEO<S>] and [VIDEO] .)

PLUS (+) button - Acts as (+) button to increase the adjustment with OSD menu. Increase the audio output level

when the OSD menu is turned off.

MINUS (-) button - Acts as (-) button to decrease the adjustment with OSD menu. Decreases the audio output level

when the OSD menu is turned off.

UP (S) button - Activates the OSD menu when the OSD menu is turned-off. Acts as S button to move the

highlighted area up to select the adjustment with OSD menu.

DOWN (T) button - Activates the OSD menu when the OSD menu is turned-off. Acts as T button to move the

highlighted area down to select the adjustment with OSD menu.

EXIT button - Activates the OSD menu when the OSD menu is turned-off. Acts as EXIT button to move to previous

menu with OSD menu.

Remote control sensor and Power indicator - Receives the signal from the remote control (when using the

wireless remote control). Glows green when the LCD monitor is in active and glows red when the LCD is in POWER OFF
mode. When the LCD is in power save mode, it will glow both green and red. When SCHEDULE is enabled, it will blink
green and glow red. In the case of where a failure is detected, it will blink red.

Main Power Switch - On/Off Switch to turn main power on/off.

NOTE: Control Key Lock Mode

This control completely locks out access to all Control Key functions. To activate the control key lock function, press both
of “S” and “T” and hold down simultaneously for more than 3 seconds. To resume back to user mode, press both of “S”
and “T” and hold simultaneously for three (3) seconds.

ViewSonic CD4220 7

Terminal Panel

AUDIO IN 1, 2, 3

To input audio signal from external equipment such as a computer, VCR or DVD player.

AUDIO OUT

To output the audio signal from the AUDIO IN 1,2 and 3 jack.

EXTERNAL CONTROL (mini D-Sub 9 pin)

Connect the IN connector with the RS-232C OUT connector of the computer or a multi-connected CD4220 monitor.

Connect the OUT connector with the RS-232C IN connector of CD4220 monitor.

VIDEO IN/OUT VIDEO IN connector (BNC and RCA): To input a composite video signal. BNC and RCA are not

available at the same time. (Use only one input). VIDEO OUT connector (BNC): To output the composite video signal
from VIDEO IN connector. S-VIDEO IN co nnector (MINI DIN 4 pin): To input the S-video (Y/C separate signal).

EXTERNAL SPEAKER TERMINAL

To output the audio signal for external speakers from AUDIO 1, 2, 3 jack or HDMI.

AC IN connector

Connects with the supplied power cord.

RGB 1 IN (HDMI 1)

To input digital RGB signals from a computer.

* This connector does not support analog input. AUDIO is supported via HDMI.

RGB 2 IN (mini D-Sub 15 pin)

To input a analog RGB signals from a computer or other RGB equipment.

RGB OUT (mini D-Sub 15 pin)

To output the signal from RGB 2 IN.

DVD/HD IN [Y, Pb/Cb, Pr/Cr] (BNC)

Connecting equipment such as a DVD player, HDTV device, or Laser disc player.

ViewSonic CD4220 8

Wireless Remote Control

POWER button

Switches the power on/off.
* If LED Power Indicator on the monitor is not glowing,
then no controls will work.

PICTURE MODE button

Selects from picture mode, [STANDARD], [VIVID],
[CINEMA], [SOFT].

STANDARD: for images (Factory setting)
VIVID: for moving images
CINEMA: for movies.
SOFT: for text based images.

SCREEN SAVER button

MOTION: To switch the MOTION setting.
BRIGHTNESS button: To switch the brightness setting

PIP (Picture In Picture) button

ON/OFF button: PIP-ON/OFF.
INPUT button: Select the “picture in picture” input signal.
CHANGE button: Replaces to the main picture and sub

picture.
Note:

The “PIP” and “POP” modes do not function when the
screen size is “CUSTOM” or “REAL”.

LEFT button decrease

Acts as (W) button to decrease the adjustment with OSD
menu. Small screen which adjusted “PIP” mode moves
left.

ENTER button Acts as SET button with OSD menu.
MENU button To switch the menu mode on/off.
DISPLAY button

To switch the information OSD on/off.

INPUT button Selects from input signal, [RGB1],

[RGB2], [RGB3], [DVD/HD], [VIDEO<S>] and [VIDEO].

AUDIO INPUT button Press to change the audio

source for each video source. The audio source is
changed from [AUDIO1] to [AUDIO2], [AUDIO3] and
[HDMI] in order. Note that you cannot select the audio
source for [VIDEO<S>] or [VIDEO]. [HDMI] is selectable
only when the video source is [RGB 1].

UP button

Acts as S button to move the highlighted area up to
select the adjustment with OSD menu. Small screen
which adjusted “PIP” mode moves up.

RIGHT button increase

Acts as (X) button to increase the adjustment with OSD
menu. Small screen which adjusted “PIP” mode moves
right.

DOWN button

Acts as T button to move the highlighted area down to
select the adjustment with OSD menu. Small screen
which adjusted “PIP” mode moves down.

EXIT button

Turn to previous menu with OSD menu.

VOLUME + button increase

Increase the audio output level.

AUTO SETUP button

To enter the auto setup menu.

MUTE button

To switch the mute function on/off.

VOLUME - button decrease

Decrease the audio output level.

ViewSonic CD4220 9

Operating Range for the Remote Control

Point the top of the remote control toward the LCD monitor's remote sensor during button operation. Use the remote
control within a distance of about 7 m/23 ft. from the front of the LCD monitor's remote control sensor and at a horizontal
and vertical angle of within 30° within a distance of about 3 m/10 ft.

CAUTION:
Important, the remote control system may not function when direct sunlight or strong illumination strikes the remote
control sensor of the LCD monitor, or when there is an object in the path.

Handling the remote control

7 Do not subject to strong shock.
7 Do not allow water or other liquid to splash the remote control. If the remote control gets wet, wipe it dry

immediately.

7 Avoid exposure to heat and steam.
7 Other than to install the batteries, do not open the remote.

ViewSonic CD4220 10

Setup Procedure

1. Determine the installation location

CAUTION: DO NOT ATTEMPT TO INSTALL THE LCD MONITOR BY YOURSELF. Installing your LCD display must be

done by a qualified technician. Contact your dealer for more information.
CAUTION: MOVING OR INSTALLING THE LCD MONITOR MUST BE DONE BY TWO OR MORE PEOPLE.Failure to
follow this caution may result in injury if the LCD monitor falls.

CAUTION: Do not mount or operate the display upside down, face up, or face down.
CAUTION: Do not install the LCD monitor where it will be exposed to direct sunlight, as this will result in display defects.
CAUTION: This LCD has a temperature sensor and cooling fan. If the LCD becomes too hot, the cooling fan will turn on

automatically. If the LCD becomes overheated and the cooling fan is running, the “Caution” menu will appear. If the
“Caution” menu appears, discontinue use and allow the unit to cool. When the LCD monitor is used in an enclosure or
with protection on LCD surface, please check the inside temperature of monitor by “HEAT STATUS”. The temperature is
too hot than normal condition, please set “cooling fan” to ON on SCREEN SAVER function.
IMPORTANT:
Lay the protective sheet, which was wrapped around the LCD monitor when it was packaged, beneath the LCD monitor
so as not to scratch the panel.

2. Install the remote control batteries

The remote control is powered by 1.5V AAA batteries. To install or replace batteries:

1. Press and slide to open the cover.

2. Align the batteries according to the (+) and (–) indications inside the case.

3. Replace the cover.

CAUTION:

Incorrect use of batteries can result in leaks or bursting. Be careful especially about the following points.

y Place “AAA” batteries matching the + and - signs on each battery to the + and - signs of the battery compartment.
y Do not mix battery types.
y Do not combine new batteries with used ones. It causes shorter battery life or leakage of batteries.
y Remove dead batteries immediately to prevent battery liquid from leaking into the battery compartment. Don't touch

exposed battery acid, it cause damage to your skin.

NOTE:
If you do not intend to use the Remote Control for a long period, remove the batteries.

3. Connect external equipment

To protect the connected equipment, turn off the main
power before making connections.
Refer to your equipment user manual.

4. Connect the supplied power cord

The power outlet socket should be installated as near to
the equipment as possible, and should be easily
accessible.
Fully insert the prongs into the power outlet socket. Loose
connection may cause noise.
NOTE:
Please refer to “Safety Precautions, Maintenance &
Recommended Use” section of this manual for proper
selection of AC power cord.

5. Switch on the power of all the
attached external equipment

When connected with a computer, switch on the power of
the computer first.

6. Operate the attached external
equipment

Display the signal on the external equipment you wish.

ViewSonic CD4220 11

7. Adjust the sound

Make adjustments lowering or raising the volume as required.

8. Adjust the screen

Make adjustments to the display position or settings if required.

9. Adjust the image

Make adjustments to brightness or contrast if required.

10. Recommended Adjustment

To reduce the risk of “image persistence”, please adjust the following items based on the application being used.
“POWER SAVE”, “SCREEN SAVER”, “DATE AND TIME”, “SCHEDULE”.

11. When CD4220 is installed in portrait position

Conditions

CD4220 can be installed in portrait position, under the following conditions:

Caution:

7 Portrait position is effective only when wall-mounted or ceiling-mounted.
7 The stands(legs) can not be fitted to the monitor in portrait position.
7 Placing the monitor in portrait position, will shorten the average life of the LCD backlight.

7 Operational Environment (Temperature) shall be limited, as shown below:

Temperature 5 - 35 °C / 41 - 95 °F Operational

Environment
Please orientate the monitor in the direction shown below:

Do not place monitor in landscape in any other manner.

How to set-up

1. Remove the stands(legs).

2. The “

Humidity 20 - 80 % (without condensation)

” logo should be on the LEFT side when facing the monitor.

Remove the stands (legs)

Clockwise Counterclockwise

ViewSonic CD4220 12

How to Mount and Att ach Options to the LCD Monitor

You can attach mounting accessories to the LCD monitor in one of the following two ways:

1. In the upright position

2. Lay the screen face down

Protective Sheet

Ta bl e Handles Ta bl e t op Stand

Lay the protective sheet on a table, which was wrapped around the monitor when it was packaged, beneath the screen
surface so as not to scratch the screen face.
This device cannot be used or installed without the Tabletop Stand or other mounting accessory. Failure to follow correct
mounting procedures could result in damage to the equipment or injury to the user or installer. Product warranty does not
cover damage caused by improper installation.
Failure to follow these recommendations could result in voiding your warranty.
Use M6 mounting screws (having a length 10 mm longer than the thickness of the mounting bracket) and tighten them
securely. (Recommended torque: 470 - 635N•cm). ViewSonic recommends using mounting interface that comply with
TÜV-GS and/or UL1678 standard in North America.

Caution:

For preventing the monitor from falling.
y Install the monitor with metal brackets for wall or ceiling installation (commercially available) on your own responsibility.

For detailed procedures of installation, refer to the instructions of the metal brackets.

y To lessen the probability of injury and damage resulting from fall of the monitor in case of earthquake or other disaster,

be sure to consult the bracket manufacturer for installation location.

y To lessen the risk of falling of the monitor, thread commercially available rope (having a load capacity at least 1960N

(200kgf)) through the handles at the right and left of the monitor and secure the rope to the wall mount brackets or
ceiling mount brackets.

y Do not sleep where the monitor may topple over or fall in case of an earthquake or other disaster.

3. Ventilation Requirements for enclosure mounting

To allow heat to disperse, leave space between surrounding objects as shown in the diagram below.

ViewSonic CD4220 13

4. To avoid monitor from falling

Take measures to prevent the monitor from falling over in case of an earthquake or other disaster to lessen the probability
of injury and damage resulting from fall.
As shown in the figure, secure the monitor to a solid wall or pillar using rope (commercially available) strong enough to
bear the weight of the monitor. (CD4220: approx. 30 kg) When you use screw hooks (commercially available), ring screw
hooks, not C-shaped screw hooks (with opening), are recommended.

Screw hook, etc.
Commercially available

Screw Holes

Rope, etc.
Commercially available

Clamper

Caution:

y The effectiveness of preventing from falling substantially depends on the strength of brackets and base to which

prevention device from falling is attached. When you cannot ensure sufficient strength, provide adequate
reinforcement.

y Though the recommended prevention from falling is intended to lessen the probability of injury and damage, it doesn’t

assure its effectiveness against any kind of earthquake or disaster.

y Do not sleep where the monitor may topple over or fall in case of an earthquake or other disaster.
y Before moving the monitor, remove the rope that is securing the monitor. Failure to do so may result in injury or

breakdown of the monitor.

Screw

* Clamper and Screw is not supply.

ViewSonic CD4220 14

Connections

r

Before making connections:

7 First turn off the power of all the attached equipment and make connections.
7 Refer to the user manual included with each separate piece of equipment.

Wiring Diagram

DVD

LCD monito

HD

PC

VCR

Equipment with
Digital interface

(second monitor)

ViewSonic CD4220 15

Connecting a Personal Computer

g

Connecting your computer to your LCD monitor will enable you to display your computer's screen image.
Some video cards may not display an image correctly.

Connect the LCD Monitor to a Personal Computer

y To connect the RGB 2 IN connector (mini D-sub 15 pin) on the LCD monitor, use the supplied PC - Video RGB signal

cable (mini D-sub 15 pin to mini D-sub 15 pin).

y When connecting one or more LCD monitors, use the RGB OUT connector (mini D-sub 15 pin).
y The AUDIO IN 1, 2, 3 or HDMI can be used for audio input. For connection, select AUDIO 1, 2, 3 or HDMI from the

AUDIO INPUT button. You can select HDMI only when RGB 1 is selected.

y The AUDIO OUT jack outputs sound from the selected Audio input.

To audio output

To analo

RGB output

LCD monitor (second monitor)

ViewSonic CD4220 16

Connecting with Digital Interface Equipment

Connections can be made with equipment that is equipped with a digital interface compliant with the DVI (Digital Visual
Interface) standard.

Connect the LCD Monitor to a Computer with a Digital Output

y The RGB 1, RGB 1 IN connector accepts a HDMI cable.
y The RGB 1, RGB 1 IN connector can connect to HDMI output or DVI-D output of PC.
y To maintain display quality, use a cable with a quality prescribed by DVI standards. (See 29 page “HDMI INPUT

MODE” )

y The AUDIO IN 1, 2, 3 or HDMI can be used for audio input. For connection, select AUDIO 1, 2 , 3 or HDMI from the

AUDIO INPUT button. You can select HDMI only when RGB 1 is selected.

y The signal input from HDMI connector cannot be output to the RGB OUT connector.

* Cables are not supply.

ViewSonic CD4220 17

Connecting a DVD Player with component out

Connecting your DVD player to your LCD monitor will enable you to display DVD video.
Refer to your DVD player owner’s manual for more information.

Connect the LCD Monitor to a DVD Player

y To connect the DVD/HD In connector (BNC) on the LCD monitor, use a separately available BNC connector cable. You

will need a BNC-to-RCA adapter to connect a DVD player with an RCA pin jack to the BNC connector cable (not
provided).

y The AUDIO IN 2 and 3 (both RCA) can be used for audio input. For connection, select [AUDIO 1], [AUDIO 2], [AUDIO 3]

or [HDMI] from the AUDIO INPUT button. You can select HDMI only when RGB 1 is selected.

ViewSonic CD4220 18

Connecting to a Stereo Amplifier

You can connect your stereo amplifier to your LCD monitor. Refer to your amplifier owner's manual for more information.

Connect the LCD Monitor to a Stereo Amplifier

y Turn on the LCD monitor and the amplifier only after all connections have been made.
y Use an RCA cable to connect the AUDIO OUT connector (RCA) on the LCD monitor and the audio input on the

amplifier.

y Do not reverse the audio left and right jacks.
y The AUDIO IN 2 and 3 (both RCA) can be used for audio input. For connection, select [AUIDO1], [AUDIO2], [AUDIO3]

or [HDMI] from the AUDIO INPUT button. You can select HDMI only when RGB 1 is selected.

y The AUDIO OUT jack outputs sound from the selected Audio input.

ViewSonic CD4220 19

Basic Operation

Power ON and OFF Modes

The LCD monitor power indicator will turn green while powered on or red in off mode. The monitor can be powered on or
off using the following three options:

1. Pressing the Main Power Switch.
NOTE:

When the Main Power Switch is used to power off the
LCD monitor, the remote control and the power button will
not activate the on mode and both green and red power
indicator turn off. Be sure to turn the Main Power Switch to
the on mode before using these two options.

2. Pressing the power button.
NOTE:

Before pressing the power button, be sure to turn on the
Main Power button on the LCD monitor.

3. Using the remote control.
NOTE:

Before operating the remote control, be sure to turn on the
Main Power Switch on the LCD monitor.

ViewSonic CD4220 20

Power Indicator

Status
Power ON Green
Power OFF Red
Power Standby when
“SCHEDULE” is enable
Power Standby Red, Green
Diagnosis
(Detecting failure)

Using Power Management

The LCD monitor follows the VESA approved DPM Power Management function.
The power management function is an energy saving function that automatically reduces the power consumption of the
display when the keyboard or the mouse has not been used for a fixed period.
The power management feature on your new display has been set to the “ON” mode. This allows your display to enter a
Power Saving Mode when no signal is applied. This could potentially increase the life and decrease the power
consumption of the display.

Red On
Green Blinking

Red Blinking
* See troubleshooting

Selecting a video source To view a video source:

Use the input button to set [VIDEO].
Use the COLOR SYSTEM menu to set [AUTO], [NTSC], [PAL], [SECAM], [PAL60], [4.43NTSC], according to your video
format.

Picture Size

RGB 1, 2 FULL NORMAL CUSTOM

REAL

DVD/HD, VIDEO FULL NORMAL DYNAMIC

REAL CUSTOM

Signal Type NORMAL SIZE Recommended Size

NORMAL

4:3

Squeeze

NORMAL: Display by the inputted signal aspect ratio by PC signal, or display in 4:3 aspect ratio at DVD/HD or VIDEO
signal.

FULL: Display in entire screen.
DYNAMIC: Expand 4:3 pictures to the entire screen with non-linearity. (Some round image will be cut by expansion.)
CUSTOM (ZOOM): Image can be expanded beyond the active display area. The image which is outside of active dia-

play area is not displayed.
REAL: Image will be displayed 1 by 1 pixel.

ZOOM

DYNAMIC

FULL

ZOOM

ViewSonic CD4220 21

Picture Mode

RGB 1, 2 STANDARD CINEMA VIVID SOFT

DVD/HD, VIDEO STANDARD CINEMA VIVID SOFT

Audio Source Switching

You can switch the audio source using the AUDIO INPUT button.

RGB 1 HDMI AUDIO1 AUDIO2 AUDIO3

Other than RGB 1 AUDIO1 AUDIO2 AUDIO3

Control Lock Mode

This function disables the operation buttons so that the adjustments you make are not changed when they are pressed.
To disable the buttons, press and hold down the S and T buttons together for at least 3 seconds.
To enable the buttons, press and hold down the S and T buttons together for at least 3 seconds again.

Information OSD

RGB1, 2

←Video Input mode
←Input signal Information

←Audio input mode
←Picture Size mode

DVD/HD

VIDEO<S>, VIDEO

PIP or POP

←Video Input mode
←Audio input mode
←Picture Size mode

←Video Input mode
←Input Signal Colour System mode
←Audio input mode
←Picture Size mode

←Main picture Information

←Sub picture Information

←Main picture Information

ViewSonic CD4220 22

OSD (On-Screen-Display) Controls

r﹢b

Remote
Control

Press MENU button to
open Main menu. Press S
or T button to select
sub-menu.

Press ENTER button to
decide.

Press S or T, and W or X
button to select function, or
control which you like.
Press ENTER button to
decide.

Press MENU or EXIT
button to exit.

Control
Panel

OSD
Screen

Press EXIT button to open
Main menu. Press S or T
button to select.

S or T button

Press INPUT button to
decide

INPUT button

Press S or T, and ﹢
or – button to select
function, or control which

you like. Press INPUT
button to decide

– o

Press EXIT button to exit.

utton

EXIT button

ViewSonic CD4220 23

PICTURE

BRIGHTNESS

y Adjusts the image brightness in relation to the background.
y Press + button to increase black level.
y Press - button to decrease black level.

CONTRAST

y Adjusts the image brightness in relation to the input signal.
y Press + button to increase contrast.
y Press - button to decrease contrast.

SHARPNESS

y This function is digitally capable to keep crisp image at any timings.
y It is adjustable to get a distinct image or a soft one as you prefer and set independently for each picture mode.
y Press + button to increase sharpness.
y Press - button to decrease sharpness.

BLACK LEVEL

y Adjusts the overall image and background screen brightness.
y Press + button to increase brightness.
y Press - button to decrease brightness.

NOISE REDUCTION

y Adjusts the noise reduction level.
y Press + button to increase reduction level.
y Press - button to decrease reduction level.

* : INPUT VIDEO<S>, VIDEO only

* : INPUT RGB1(HDMI INPUT MODE-HD), DVD/HD, VIDEO<S>, VIDEO only

TINT

y Adjust the tint of the screen.
y Press + button the flesh tone color becomes greenish.
y Press - button the flesh tone color becomes purplish.

COLOR

y Adjust the color of the screen.
y Press + button to increase color depth.
y Press - button to decrease color depth.

* : INPUT RGB1(HDMI INPUT MODE-HD), DVD/HD, VIDEO<S>, VIDEO only

COLOR TEMPERATURE

y Use to adjust the color temperature.
y The image becomes reddish as the color temperature decreases, and it becomes bluish as the color temperature increases.

COLOR CONTROL

y The color levels of red, green, and blue are adjusted by the color bars.
y R: Red, G: Green, B: Blue

PICTURE RESET

y Selecting Picture reset allows you to reset all OSD settings about PICTURE setting.
y Select “Yes” and press “SET” button to restore to factory preset data.
y Press “EXIT” button to cancel and then return to the previous menu.

ViewSonic CD4220 24

SCREEN

H POSITION

y Controls Horizontal Image position within the display area of the LCD.
y Press + button to move screen to right.
y Press - button to move screen to left.

V POSITION

y Controls Vertical Image position within the display area of the LCD.
y Press + button to move screen to UP.
y Press - button to move screen to DOWN.

CLOCK

y Press + button to expand the width of the image on the screen the right.
y Press - button to narrow the width of the image on the screen the left.

* : INPUT RGB2 only

CLOCK PHASE

y Improves focus, clarity and image stability by increasing or decreasing this setting.

* : INPUT RGB2 only

ZOOM MODE

y You can select “FULL”, “NORMAL” and “CUSTOM” and “REAL”. (INPUT RGB1/2 only) You can also select “FULL”, “NORMAL”

“DYNAMIC” and “CUSTOM” and “REAL”. (INPUT DVD/HD, VIDEO<S>, VIDEO only)

y Selecting “DYNAMIC” will make the screen display panoramic with the expansion of the middle and outside of the screen

changed. (The upper and the bottom of the image will be cut by expansion.)

y Dynamic image is the same as FULL size image when HDTV signal is input.
y Selecting “REAL” image will be displayed 1 by 1 pixel.

CUSTOM ZOOM

y “CUSTOM ZOOM” will be selected when you select “CUSTOM” on the screen “ZOOM” mode.
y ZOOM: expands the horizontal and the vertical size simultaneously.
y HZOOM: expands the horizontal size only.
y VZOOM: expands the vertical size only.
y H POSITION: moves to the right with + button. moves to the left with – button.
y V POSITION: moves up with + button. moves down with – button.

SCREEN RESET

y Selecting Screen reset allows you to reset all OSD settings from PICTURE setting.
y Select “Yes” and press “SET” button to restore the factory preset data.
y Press “EXIT” button to cancel and then return to the previous menu.

ViewSonic CD4220 25

AUDIO

BALANCE

y Adjust the balance of L/R volume.
y Press + button to move the stereo sound image to right.
y Sound of the left side will be small.
y Press - button to move the stereo sound image to left.

TREBLE

y To accentuate or reduce the high frequency sound.
y Press + button to increase TREBLE sound.
y Press - button to decrease TREBLE sound.

BASS

y To accentuate or reduce the low frequency sound.
y Press + button to increase BASS sound.
y Press - button to decrease BASS sound.

AUDIO RESET

y Selecting Audio reset allows you to reset all OSD settings from AUDIO setting.
y Select “YES” and press “SET” button to restore the factory preset.
y Press “EXIT” button to cancel and then return to the previous menu.

ViewSonic CD4220 26

PIP (PICTURE IN PICTURE)

Note: The “PIP” and “POP” modes do not function when the screen size is “CUSTOM” or “REAL”.

PIP SIZE

y Selecting the size of picture inserted at the “Picture-in-Picture” (PIP) mode.
y “Large”, “Middle” and “Small” are available.

PIP AUDIO

y Selecting the sound source in PIP mode.
y When selecting “MAIN AUDIO”, you will get the sound for the main picture and when selecting “PIP AUDIO”, you will get the

sound for the picture instead.

PIP RESET

y Selecting PIP Reset allows you to reset all OSD settings from PIP setting.
y Select “Yes” and press “SET” button to restore the factory preset data.
y Press “EXIT” button to cancel and then return to the previous menu.

ViewSonic CD4220 27

CONFIGURATION 1

AUTO SETUP

y Press "SET" button to automatically adjust screen size, horizontal position, vertical position, clock, clock phase, white level and

black level.

y Press "EXIT" button to cancel execution AUTO SETUP and then will return to the previous menu.

* : INPUT RGB2 only

AUTO ADJUST

y Selecting the auto adjust ON/OFF.
y Selecting ON when changing the timing, the horizontal position, vertical position and clock-phase will adjust automatically.

* : INPUT RGB2 only

POWER SAVE

y Selecting RGB "ON", the monitor will go to power management mode when RGB1,2 sync is lost.
y Selecting VIDEO "ON", the monitor will go to power management mode after about 10 minutes delay from when DVD/HD and

VIDEO input signal is lost.

LANGUAGE

y OSD control menus are available in eight languages. (English, German, Spanish, French, Italian, Swedish, Chinese and

Japanese)

SCREEN SAVER

y GAMMA: The display gamma is changed and fixed when selected "ON".
y BRIGHTNESS: The brightness is decreased when selected "ON".
y MOTION: Image is slightly expanded and moves 4 directions (UP, DOWN, RIGHT, LEFT) periodically (Need setting the time

for movement).

y Movement area is approximately +/- 10mm from original position;
y Please locate the important information such as text within 90% area of screen image.
y See note (1) for this functions.
y PIP and STILL will be disabled when "MOTION" is active.

*Select "SCREEN SAVER" functions to reduce the risk of the "image persistence".

COLOR SYSTEM

y Selecting the Color System depends on your input video format.
y AUTO: NTSC, PAL, SECAM, PAL60 or 4.43 NTSC is automatically selected.
y NTSC: Specific selection of NTSC.
y PAL: Specific selection of PAL.
y SECAM: Specific selection of SECAM.
y PAL-60: Specific selection of PAL60.
y 4.43NTSC: Specific selection of 4.43 NTSC.

* : INPUT VIDEO<S>, VIDEO only

CONFIGURATION RESET

y Selecting the CONFIGURATION RESET allows you to reset all configuration settings.
y Select "Yes" and press "SET" button to restore the factory preset data.
y Press "EXIT" button to cancel and return the previous menu.

FACTORY RESET

y Selecting "YES" allows you to reset PICTURE, SCREEN, AUDIO, CONFIGURATION1,2 and ADVANCED OPTION will be

back to factory settings (except LANGUAGE, DATE & TIME and SCHEDULE).

y Select "YES" and press "SET" button to restore the factory preset data. Press "EXIT" button to cancel and return the previous

menu.

ViewSonic CD4220 28

CONFIGURATION 2

OSD TURN OFF

y The OSD control menu will stay on as long as it is use. In the OSD Turn Off submenu, you can select how long the monitor

waits after the last touch of a button to shut off the OSD control menu.

y The preset choices are 5 -120 seconds.

INFORMATION OSD

y Selects the information OSD display or not.
y The information OSD will display when input signal or source change or warning message like as no-signal or out-of range.
y A time between 1 to 10 seconds is available.

OFF TIMER

y To select OFF TIMER mode ON/OFF.
y In the OFF TIMER menu, you can preset the monitor to automatically power down.
y A time between 1 to 24 hours is available.
y When the OFF TIMER is set, the SCHEDULE settings will be disabled.

OSD H POSITION

y Adjusts the horizontal position of the OSD menu.

OSD V POSITION

y Adjusts the vertical position of the OSD menu.

MONITOR INFORMATION

y Indicates the model and serial number of your monitor.

ViewSonic CD4220 29

ADVANCED OPTION

INPUT RESOLUTION

y Selects to decision of input signal about below timings, 1024x768, 1280x768 and 1360x768.
y AUTO: Determines the resolution automatically.
y 1024x768: Determines the resolution as 1024x768
y 1280x768: Determines the resolution as 1280x768
y 1360x768: Determines the resolution as 1360x768
y The setting you select becomes effective when POWER is turned OFF and ON again.

BLACK LEVEL EXPANSION

y Selects a level of black expansion from “OFF”, “MIDDLE” and “HIGH.”
y In case of go under the black cut-off level, please adjust the “Black level” in moderation on OSD menu.

GAMMA SELECTION

y Selects a display gamma.
y 2.2
y 2.4
y S gamma
y Native

SCAN MODE

y Changes the display area of the image.
y OVERSCAN: Set to display area about 95%
y UNDERSCAN: Set to display area about 100%

SCAN CONVERSION

y Selects IP (Interlace to Progressive) converter function.
y PROGRESSIVE: Enable the IP function, to convert interlace signal to progressive. Normally use this setting.
y INTERLACE*: Disable the IP function.
y *NOTE: This mode is better suited for motion pictures, but it increases chance of image retention.

FILM MODE

y Selects Film mode function.
y AUTO: Enable the Film mode function. This mode is better suited for movies, which is converted 24 Frames/sec source to

DVD Video. We recommend to select “PROGRESSIVE” in “SCAN CONVERSION”.

y OFF: Disable the Film mode function. This mode is better suited for Broadcasting or VCR source.

IR CONTROL

y Selects the operation mode of the wireless remote controller when multiple CD4220 monitors are connected via RS-232C.
y The item in this menu will become effective by pressing “SET” button on the selected item.
y NORMAL: The monitor will be controlled normally by wireless remote controller.
y PRIMARY: The first CD4220 monitor of those multi-connected via RS-232C is designated as PRIMARY.
y SECONDARY: CD4220 monitors other than the first one multi-connected via RS-232C are designated as SECONDARY.
y LOCK: Disable the monitor control by infrared wireless remote controller.
y Keep pressing “DISPLAY” button during 5 sec or more, this setting will return to “NORMAL”

* : INPUT DVD/HD, VIDEO<S>, VIDEO only

* : INPUT DVD/HD, VIDEO<S>, VIDEO only

* : INPUT RGB2 only

* : INPUT RGB1(HDMI INPUT MODE-HD), VIDEO<S>, VIDEO only

* : INPUT DVD/HD, VIDEO<S>, VIDEO only

ViewSonic CD4220 30

TILING

y TILING demonstrates multiple screens. This feature provides a single large screen using up to 25 monitors.
y It will be able to divide up to 5 each H and V.
y This requires you to feed the PC output into each of the monitors through a distributor.
y H MONITORS: Select number of horizontal divide.
y V MONITORS: Select number of vertical divide.
y POSITION: Select a position to expand the screen.
y FRAME COMP: Works in tandem with TILING to compensate for the width of the tile bezels in order to accurately display the

image.

y ENABLE: Select “YES”, the monitor will expand the selected position.
y PIP and STILL will be disabled when “TILING” is activated.

POWER ON DELAY

y Adjusts the delay time from “standby” to “power on” mode.
y “POWER ON DELAY” time is selectable from OFF, 2sec, 4sec, 6sec, 8sec, 10sec, 20sec, 30sec, 40sec and 50sec.

DA TE A ND TIME

y Adjusts the current date and time for internal clock.
y You should set this function when you use “SCHEDULE”.

SCHEDULE

y Programs the monitor's working schedule.
y Schedule the power on and power off with hour and a day of the week. Also sets the input port.
y This OSD can't remove except EXIT. (see “NOTE 2” on page 30 for further information)

MONITOR ID

y ID numbers for remote control are assigned to CD4220 monitors that are multi-connected via RS-232C.
y ID numbers 1 to 26 are selectable.

DDC/CI

y Use to turn ON or OFF the DDC/CI communication function. Select ON for normal use.

SYNC TYPE

y Select “0.3V” for 0.3 Composite Sync.
y Select “TTL” for TTL Sync.

ADVANCED OPTION RESET

y Selecting ADVANCED OPTION reset allows you to reset all OSD settings from ADVANCED OPTION settings, except for

DATE & TIME.

y Select “YES” and press “SET” button to restore the factory preset data.
y Press “EXIT” button to cancel and then return the previous menu.

NOTE 1: IMAGE PERSISTENCE

y Please be aware that LCD Technology may experience a phenomena known as Image Persistence. Image Persistence

occurs when residual or “ghost” image of a previous image remains visible on the screen. Unlike CRT monitors, LCD
monitors’ image persistence is not permanent, but constant images being displayed for a long period of time should be
avoided.

y To alleviate image persistence, turn off the monitor for as long as the previous image was displayed. For example, if an

image was on the monitor for one hour and a residual image remains, the monitor should be turned off for one hour to
erase the image.

y As with all personal display devices, ViewSonic recommends displaying moving images and using a moving screen

saver at regular intervals whenever the screen is idle or turning off the monitor when not in use.
Please set “POWER SAVE”, “SCREEN SAVER”, “DATE &TIME” and “SCHEDULE” functions to further reduce the risk
of Image persistence.

ViewSonic CD4220 31

For long life use of Public Display

< Image Sticking of LCD Panel >

When LCD panel is operated continuously for long hours, a trace of electric charge remains near the electrode inside
LCD, and residual or “ghost” image of previous image may be observed. (Image Persistence)
Image Persistence is not permanent, but when fixed image is displayed for long period, ionic impurities inside LCD are
accumulated along the displayed image, and it is observed permanently. (Image Sticking)

< Recommendations >

For preventing the fast transition to Image Sticking, and for longer life usage of LCD, following are recommended.

1. Fixed image should not be displayed for long period, and changed to another images with short cycle.

2. When no use, please turn off the monitor by remote control, or use Power Management Function of monitor or use
Schedule Function of monitor.

3. Reducing the environmental temperature is effective for long life use.

4. Please use "Screen Saver Mode" of monitor.

NOTE 2: HOW TO SETUP SCHEDULE

y Using the “SCHEDULE” function allows you to set up to seven different scheduled time intervals when the LCD Monitor

will be activated.

y You can select the time the monitor turns on and turns off, the day of week the monitor is activated, and which input

source the monitor will use for each scheduled activation period. A check mark in the box next to the number of the
schedule indicates that the selected schedule is in effect.

y To select which schedule to set, use the up/down arrows to move the number (1 to 7) of the schedule.
y Use the (+) and (-) buttons to move the cursor horizontally within the particular schedule. Use the (S) and (T) buttons

to increase time and select input port. The “SET” button is used to make a selection.

y If you create a schedule but do not want to use a power on time, select “--” in the “ON” time slot.
y If you do not want to use a power off time select “--” in the OFF time slot.
y If there is no input selected (“--” showing in the input spot) the input from the previous schedule will be used.
y The selection of EVERY DAY within a schedule takes priority over other schedules that are set up to operate weekly.
y When schedules are overlapping, scheduled Power ON time has priority over scheduled Power OFF time.
y If there are two schedules programmed for the same time, then the highest numbered schedule has priority.

When the “OFF TIMER” is set, the “SCHEDULE” function is disabled.

NOTE 3: “PIP”, “POP” and “SIDE BY SIDE”

The following table shows the combination of signal inputs under which the “PIP” and “POP” modes function. These
modes do not function however when the screen size is “CUSTOM” or “REAL”.

RGB1
RGB2

DVD/HD

MAIN

VIDEO<S>

VIDEO

Press the “PIP ON/OFF” buttons on the remote control to change between “PIP”, “POP” and “SIDE BY SIDE” mode as
shown in the diagram below.

PIP POP

RGB1 RGB2 DVD/HD VIDEO<S> VIDEO

± ±

±

± ±

±

± ±

±

{ {

{

{ {

{

SUB

{ {
{ {
{ {

± ±
± ±

SIDE BY SIDE

ASPECT

{:Supported
±: Not supported

SIDE BY SIDE

FULL

OFF

"PIP”, “POP” mode resolution (Reference)

PIP SIZE YSMALLZ : 450 dots X 338 dots
YMIDDLEZ : 675 dots X 450 dots
YLARGEZ : 900 dots X 675 dots
POP SIZE : 450 dots X 338 dots

ViewSonic CD4220 32

< Remote control numbering function >

By connecting multiple CD4220 monitors using RS-232C cables, you can control any one monitor or all the monitors by
one remote controller.

1. Assign arbitrary ID number to each of multi-connected CD4220 monitors using MONITOR ID.

ID numbers 1 to 26 are selectable.
It is recommended to assign sequential ID numbers from 1 and up.

2. The remote control mode of the first CD4220 monitor is set to PRIMARY and those of the other monitors are set to

SECONDARY.

3. When you direct the remote controller at the remote control signal sensor of the PRIMARY monitor and press the

DISPLAY button on the remote controller, the ID selection OSD appears at the upper left of the screen.

4. Direct the remote controller at the remote control signal sensor of the PRIMARY monitor.

OSD appears on the monitor having the ID number you selected.

NOTE:

When the ID selection OSD is being displayed on the PRIMARY monitor, press the DISPLAY button on the remote
controller again to cancel the ID selection OSD and then control the monitor you selected.

HINT:

If you set the remote control mode wrongly and remote control operation becomes unavailable, press any button on the
control panel of the monitor to display the OSD screen and change the remote control mode using ADVANCED OPTION.
By pressing and holding down the DISPLAY button on the remote control for 5 seconds or longer, the remote control
mode is initialized to NORMAL.

ID number of the currently viewed monitor

Select the ID number of the monitor you want to control using the +/- button on the
remote controller.
The ID of the monitor you want to control is displayed at the upper left of its screen.
By selecting ALL, you can control all the multi-connected monitors.

ViewSonic CD4220 33

Controlling the LCD monitor via RS-232C Remote Control

This LCD monitor can be controlled by connecting a personal computer with a RS-232C terminal.
Functions that can be controlled by a personal computer are:

Connection

LCD Monitor + PC

NOTE:
We have two kinds of RS-232 protocol including serious connection and no serious connection that can use by user.

ViewSonic CD4220 34

Appendix: Installing and removing stands

How to install stands

1. Please turn monitor off.

2. After inserting stand in guide block, fasten Thumbscrews on both sides of the monitor.

NOTE:

Install the stands so that their longer portions come to the front.

How to remove the stands

1. Spread the protective sheet on the fl at surface, such as a desk.

2. Place monitor on the protective sheet.

3. Remove screws with a screwdriver and place them in a safe place for reuse.

Screws

Longer portion comes to
the front.

* Stand is not supply. (Stand sold as an option accessory)

Stands

ViewSonic CD4220 35

Features

Reduced Footprint:

Provides the ideal solution for environments requiring superior image quality but with size and weight limitations.
The monitor’s small footprint and low weight allow it to be moved or transported easily from one location to another.

Color Control Systems:

Allows you to adjust the colors on your screen and customize the color accuracy of your monitor to a variety of standards.

sRGB Color Control:

A new optimized color management standard which allows for color matching on computer displays and other peripherals. The
sRGB standard, which is based on a calibrated color space, allows for optimal color representation and backward compatibility
with other common color standards.

OSD (On-Screen-Display) Controls:

Allow you to quickly and easily adjust all elements of your screen image via simple to use on-screen menus.

Plug and Play:

The Microsoft® solution with the Windows® 95/98/Me/2000/XP operating system facilitates setup and installation by allowing the
monitor to send its capabilities (such as screen size and resolutions supported) directly to your computer, automatically
optimizing display performance.

Intelligent Power Manager System:

Provides innovative power-saving methods that allow the monitor to shift to a lower power consumption level when on but not in
use, saving two-thirds of your monitor energy costs, reducing emissions and lowering the air conditioning costs of the workplace.

Multiple Frequency Technology:

Automatically adjusts monitor to the display card’s scanning frequency, thus displaying the resolution required.

FullScan Capability:

Allows you to use the entire screen area in most resolutions, significantly expanding image size.

Wall Mounting Interface:

Allows for the monitor to be mounted on a wall or an arm using any third party compliant device. VIEWSONIC recommends using
mounting interface that comply with TÜV-GS and/or UL1678 standard in North America.

TILING, Frame compensation:

Demonstrates multiple screens with an accurate image and compensates for the bezel width.

ZOOM:

Expands the image individually for horizontal and vertical direction.

Self-diagnosis:

When an internal error should occur, a failure state will be indicated.

ViewSonic CD4220 36

Troubleshooting

No picture

• The signal cable should be completely connected to the display card/computer.

• The display card should be completely seated in its slot.

• Front Power Switch and computer power switch should be in the ON position.

• Check to make sure that a supported mode has been selected on the display card or system being used.

(Please consult display card or system manual to change graphics mode.)

• Check the monitor and your display card with respect to compatibility and recommended settings.

• Check the signal cable connector for bent or pushed-in pins.

• If nothing is displayed on the screen when HDCP device is connected, reset the power of the device.

Power Button does not respond

• Unplug the power cord of the monitor from the AC outlet to turn off and reset the monitor.

Image persistence

• Please be aware that LCD Technology may experience a phenomenon known as Image Persistence. Image

Persistence occurs when a residual or “ghost” image of a previous image remains visible on the screen. Unlike CRT
monitors, LCD monitors’ image persistence is not permanent, but constant images being displayed for a long period of
time should be avoided. To alleviate image persistence, turn off the monitor for as long as the previous image was
displayed. For example, if an image was on the monitor for one hour and a residual image remains, the monitor should be
turned off for one hour to erase the image.

NOTE:

As with all personal display devices, VIEWSONIC recommends displaying moving images and using a moving screen
saver at regular intervals whenever the screen is idle or turning off the monitor when not in use.

Image is unstable, unfocused or swimming is apparent

• Signal cable should be completely attached to the computer.

• Use the OSD Image Adjust controls to focus and adjust display by increasing or decreasing the fine adjustment.

When the display mode is changed, the OSD Image Adjust settings may need to be re-adjusted.

• Check the monitor and your display card with respect to compatibility and recommended signal timings.

• If your text is garbled, change the video mode to non-interlace and use 60 Hz refresh rate.

Image of component signal is greenish

• Check to see if the DVD/HD input connector is selected.

LED on monitor is not lit (no green or red color can be seen)

• Power Switch should be in the ON position and power cord should be connected.

• Make certain the computer is not in a power-saving mode (touch the keyboard or mouse).

RED LED on monitor is blinking

• A certain failure might have occurred, please contact your nearest authorized VIEWSONIC service facility.

Display image is not sized properly

• Use the OSD Image Adjust controls to increase or decrease the coarse adjustment.

• Check to make sure that a supported mode has been selected on the display card or system being used.

(Please consult display card or system manual to change graphics mode.)

Selected resolution is not displayed properly

• Use OSD Display Mode to enter Information menu and confirm that the appropriate resolution has been selected.

If not, select corresponding option.

No Sound

• Check to see if speaker cable is properly connected.

• Check to see if mute is activated.

• Check to see if volume is set at minimum.

Remote Control is not available

• Check the Remote Control’s batteries status.

• Check if batteries are inserted correctly.

• Check if the Remote Control is pointing at the monitor’s remote sensor.

“SCHEDULE”/“OFF TIMER” function is not working properly

• The “SCHEDULE” function will be disabled when the “OFF TIMER” is set.

• If the “OFF TIMER” function is enable and the power to the LCD monitor is turned off if the power supply is interrupted

unexpectedly, then the “OFF TIMER” will be reset.

Stripe Noise

Either light vertical or horizontal stripes may appear, depending on the specific display pattern. This is no product fault or
degradation.

“NO SIGNAL” is displayed on the screen

Image may not be displayed right after HDCP device is connected.

ViewSonic CD4220 37

Specifications

Product specifications Analog Input Digital Input

LCD Module

Design View Distance:

Frequency

Pixel Clock
Viewable Size
Input Signal

PC-Input:

VIDEO Input:

AUDIO Input:

RS-232C:

Output Signal

PC-Output:

VIDEO Output:
AUDIO Output:

Speaker Output:

RS-232C:

Resolutions Supported

Power Supply
Power Consumption

Operational
Environment

Storage Environment

Dimension

Weight

Wall mounting interface 12 Holes (100 mm pitches) Optional Multi-purpose Fix Mount
Complied Regulatory and Guidelines C-UL/TUV-GS/FCC-B/DOC-B/C-Tick/CE/BSMI/GOST/PSB/CCC
Power Management VESA DPM
Plug & Play VESA DDC2B, DDC/CI

Accessories

Note: Technical specifications are subject to change without notice.

Diagonal:

Pixel Pitch:

Resolution:

Color:

Brightness:

Contrast Ratio:

Response time:

View Angle:

Horizontal:

Vertical:

Video:

Sync:

Input-terminal:

In:

Video:

Sync:

Output-terminal:

Out:

Power Save:

Temperature:

Humidity:

Temperature:

Humidity:

Net without stand:

Net with stand:

Net without stand:

Net with stand:

Gross:

42" / 106.68 cm

0.681 mm
1366 x 768 dots
Over 16 million colors (depending on video card used)
500 cd/m2 (typ.)
1500:1 (typ.)
8 ms (typ. G to G)
Up and Down 178°, Left and Right 178° (typ.) @CR>10
1100 mm / 43.34 inches

15.625 / 15.734, 31.5 - 91.1 kHz

50.0 / 58.0 - 76.0 Hz

13.5 -160.0 MHz 25.0 -165.0 MHz

930.25 x 523.01 mm / 36.62 x 20.59 inches

Analog RGB Video: 0.7 Vp-p TMDS
Input impedance 75 ohm
Separate HV sync: TTL level (Pos./Neg.), Sync-on-green, Composite Sync
(0.3Vp-p) Input Impedance 2.2K ohm
HDMI
Composite: 1.0 Vp-p
Input impedance 75ohm BNC and RCA-PINJACK-INPUT Y/C Y: 1 Vp-p C:

0.286 Vp-p Input
Impedance 75 ohm S-TERMINAL-INPUT Component: 1.0 / 0.7 Vp-p
Input Impedance 75 ohm BNC-INPUT
RCA PIN-JACK L/R INPUT x 2, STEREO Mini Jack INPUT x 1
9 Pin Mini D-sub

Analog RGB Video: 0.7 Vp-p with 75 ohm terminated
Separate HV sync: TTL level (Pos./Neg.)
15 Pin Mini D-sub
BNC-OUTPUT x 1, Composite 1.0 Vp-p with 75 ohm terminated
RCA PIN-JACK L/R OUTPUT x 1, 0.15 Vrms with 47k ohm terminated
External Speaker Jack 7 W + 7 W (8 ohm)
9 Pin Mini D-sub
640 x 480 at 60 Hz to 75 Hz
800 x 600 at 50 Hz, 60Hz to 75 Hz
1024 x 768 at 50 Hz, 60Hz to 60 Hz
1280 x 768 at 50 Hz, 60Hz to 60 Hz
1360 x 768 at 50 Hz, 60Hz to 60 Hz
1280 x 1024 at 60Hz
1600 x 1200 at 60 Hz
1920 x 1080 at 60 Hz*
* Recommended Resolution
NTSC,PAL,SECAM,4.43NTSC,PAL60 Component:480i,480p,720p,1080i,1080p

3.0 - 1.3 A @100 - 240 V AC, 50 / 60 Hz
Max 246 W
Less than 5 W (Power button OFF/Main power switch ON)
Landscape: 5 - 40 °C / 41-104 °F, Portrait : 5 - 35 °C / 41 - 95 °F
20 - 80 % (Without condensation)

-20 - 60 °C / -4 - 140 °F
10 - 90% (Without condensation)/90%-3.5%x(Temp-40°C) regarding over 40°C
1022 mm (W) x 611 mm (H) x 126 mm (D) / 40.2" (W) x 24.1" (H) x 5" (D)
1022 mm (W) x 647 mm (H) x 405 mm (D) / 40.2" (W) x 25.5" (H) x 15.9" (D)

65.9 lbs / 29.89 kg (Approximately)

69.86 lbs / 31.69 kg (Approximately) (Stand is optional accessory)

76.5 lbs / 34.7 kg

User's Manual in CD, QSG, Power Cord, Video Signal Cable, Remote Controller,
AAA Battery x 2,

ViewSonic CD4220 38

Customer Support

For technical support or product service, see the table below or contact your reseller.
NOTE: You will need the product serial number.

Country/Region Website

Australia/New Zealand www.viewsonic.com.au

Canada www.viewsonic.com

Europe/Middle East/
Baltic countries/North

Africa

Hong Kong www.hk.viewsonic.com T= 852 3102 2900 [e-mail]

India www.in.viewsonic.com T= 1800 11 9999 [e-mail]

Korea www.kr.viewsonic.com T= 080 333 2131 [e-mail]

Latin America (Argentina) www.viewsonic.com/la/

Latin America (Brazil) www.viewsonic.com/la/

Latin America (Chile) www.viewsonic.com/la/

Latin America (Columbia) www.viewsonic.com/la/

Latin America (Mexico) www.viewsonic.com/la/

www.viewsoniceurope.com Contact your reseller

T = Telephone
F = FAX

AUS= 1800 880 818
NZ= 0800 008 822

T= 1-866-463-4775
F= 1-909-468-5814

T= 0800-666-0098
F= 1-909-444-5655

T= 0800-891-1829
F= 1-909-444-5655

T= 800-440303
F= 1-909-444-5655

T= 01800-9-156588
F= 1-909-444-5655

T= 001-866-823-2004
F= 1-909-444-5655

Email

[e-mail]

[e-mail]

[e-mail]

[e-mail]

[e-mail]

[e-mail]

[e-mail]

Renta y Datos, 29 SUR 721, COL. LA PAZ, 72160 PUEBLA, PUE. Tel: [phone] CON 10 LINEAS
Electroser, Av Reforma No. 403Gx39 y 41, 97000 Mérida, Yucatán. Tel: [phone]

Other places please refer to http://www.viewsonic.com/la/soporte/index.htm#Mexico

Latin America (Peru) www.viewsonic.com/la/

Macau www.hk.viewsonic.com T= 853 700 303 [e-mail]

Puerto Rico & Virgin
Islands

Singapore/Malaysia/
Thailand

South Africa www.viewsoniceurope.com www.viewsoniceurope.com/uk/Support/Calldesk.htm

United Kingdom

United States www.viewsonic.com

www.viewsonic.com

www.ap.viewsonic.com T= 65 6461 6044 [e-mail]

www.viewsoniceurope.com
/uk/

T= 0800-53311
F= 1-909-444-5655

T= 1-800-688-6688 (English)
T= 1-866-379-1304 (Spanish)
F= 1-909-468-1202

www.viewsoniceurope.com/uk/Support/Calldesk.htm

T= 1-800-688-6688
F= 1-909-468-1202

[e-mail]

[e-mail]
[e-mail]

[e-mail]

ViewSonic CD4220 39

Limited Warranty

VIEWSONIC® LCD DISPLAY

What the warranty covers:

ViewSonic warrants its products to be free from defects in material and workmanship, under
normal use, during the warranty period. If a product proves to be defective in material or
workmanship during the warranty period, ViewSonic will, at its sole option, repair or replace
the product with a like product. Replacement product or parts may include remanufactured or
refurbished parts or components.

How long the warranty is effective:

V iewSonic LCD displays are warranted for 1 year for all parts including the light source and 1
year for all labor from the date of the first consumer purchase.

Who the warranty protects:

This warranty is valid only for the first consumer purchaser.

What the warranty does not cover:

1. Any product on which the serial number has been defaced, modified or removed.

2. Damage, deterioration or malfunction resulting from:

a. Accident, misuse, neglect, fire, water, lightning, or other acts of nature, unauthorized

product modification, or failure to follow instructions supplied with the product.

b. Any damage of the product due to shipment.
c. Removal or installation of the product.
d. Causes external to the product, such as electrical power fluctuations or failure.
e. Use of supplies or parts not meeting ViewSonic’s specifications.
f. Normal wear and tear.
g. Any other cause which does not relate to a product defect.

3. Any product exhibiting a condition commonly known as "image burn-in" which results

when a static image is displayed on the product for an extended period of time.

4. Removal, installation, one way transportation, insurance, and set-up service charges.

How to get service:

1. For information about receiving service under warranty, contact ViewSonic Customer Sup-

port (Please refer to Customer Support page). You will need to provide your product's serial
number.

2. To obtain warranty service, you will be required to provide (a) the original dated sales slip,

(b) your name, (c) your address, (d) a description of the problem, and (e) the serial number
of the product.

3. Take or ship the product freight prepaid in the original container to an authorized

ViewSonic service center or ViewSonic.

4. For additional information or the name of the nearest ViewSonic service center, contact

ViewSonic.

Limitation of implied warranties:

There are no warranties, express or implied, which extend beyond the description contained
herein including the implied warranty of merchantability and fitness for a particular purpose.

4.3: ViewSonic LCD Warranty Page 1 of 2 LCD_LW02 Rev. 1e 06-11-07

ViewSonic CD4220 40

Exclusion of damages:

ViewSonic's liability is limited to the cost of repair or replacement of the product. ViewSonic
shall not be liable for:

1. Damage to other property caused by any defects in the product, damages based upon incon-

venience, loss of use of the product, loss of time, loss of profits, loss of business opportu­nity, loss of goodwill, interference with business relationships, or other commercial loss,
even if advised of the possibility of such damages.

2. Any other damages, whether incidental, consequential or otherwise.

3. Any claim against the customer by any other party.

4. Repair or attempted repair by anyone not authorized by ViewSonic.

Effect of state law:

This warranty gives you specific legal rights, and you may also have other rights which vary
from state to state. Some states do not allow limitations on implied warranties and/or do not
allow the exclusion of incidental or consequential damages, so the above limitations and
exclusions may not apply to you.

Sales outside the U.S.A. and Canada:

For warranty information and service on ViewSonic products sold outside of the U.S.A. and
Canada, contact ViewSonic or your local ViewSonic dealer.

The warranty period for this product in mainland China (Hong Kong, Macao and Taiwan
Excluded) is subject to the terms and conditions of the Maintenance Guarantee Card.

For users in Europe and Russia, full details of warranty provided can be found in
www.viewsoniceurope.com under Support/Warranty Information.

4.3: ViewSonic LCD Warranty Page 2 of 2 LCD_LW02 Rev. 1e 06-11-07

ViewSonic CD4220 41

Mexico Limited Warranty

VIEWSONIC® DISPLAY PRODUCTS

What the warranty covers:

ViewSonic warrants its products to be free from defects in material and workmanship, under normal use, during
the warranty period. If a product proves to be defective in material or workmanship during the warranty period,
ViewSonic will, at its sole option, repair or replace the product with a like product. Replacement product or parts
may include remanufactured or refurbished parts or components & accessories.

How long the warranty is effective:

ViewSonic LCD dis plays are warranted for 1 year
from

the date of the first consumer purchase.

Who the warranty protects:

This warranty is valid only for the first consumer purchaser.

What the warranty does not cover:

1. Any product on which the serial number has been defaced, modified or removed.

2. Damage, deterioration or malfunction resulting from:

a. Accident, misuse, neglect, fire, water, lightning, or other acts of nature, unauthorized product

modification, unauthorized attempted repair, or failure to follow instructions supplied with the product.
b. Any damage of the product due to shipment.
c. Causes external to the product, such as electrical power fluctuations or failure.
d. Use of supplies or parts not meeting ViewSonic's specifications.
e. Normal wear and tear.
f. Any other cause which does not relate to a product defect.

7. Any product exhibiting a condition commonly known as "image burn-in" which results when a static image is
displayed on the product for an extended period of time.

8. Removal, installation, insurance, and set-up service charges.

for all parts including the light source and 1 year for all labor

How to get service:

For information about receiving service under warranty , contact ViewSonic Customer Support (Please refer to the
attached Customer Support page). You will need to provide your product's serial number, so please record the
product information in the space provided below on your purchase for your future use. Please retain your receipt
of proof of purchase to support your warranty claim.
For Your Records
Product Name: _______________________________ _ Model Number: _____________________________
Document Number: ____________________________ Serial Number: _____________________________
Purchase Date: ________________________________ Extended Warranty Purchase? ____________ (Y/N)

If so, what date does warranty expire? ___________

1. To obtain warranty service, you will be required to provide (a) the original dated sales slip, (b) your name, (c)

your address, (d) a description of the problem, and (e) the serial number of the product.

2. Take or ship the product in the original container packaging to an authorized ViewSonic service center.

3. Round trip transportation costs for in-warranty products will be paid by ViewSonic.

Limitation of implied warranties:

There are no warranties, express or implied, which extend beyond the description contained herein including the
implied warranty of merchantability and fitness for a particular purpose.

Exclusion of damages:

ViewSonic's liability is limited to the cost of repair or replacement of the product. ViewSonic shall not be liable
for:

1. Damage to other property caused by any defects in the product, damages based upon inconvenience, loss of

use of the product, loss of time, loss of profits, loss of business opportunity, loss of goodwill, interference with
business relationships, or other commercial loss, even if advised of the possibility of such damages.

2. Any other damages, whether incidental, consequential or otherw ise.

3. Any claim against the customer by any other party.

4. Repair or attempted repair by anyone not authorized by ViewSonic.

4.3: ViewSonic Mexico Limited Warranty Page 1 of 2 LCD_LW03 Rev. 1a 06-11-07

ViewSonic CD4220 42

Contact Information for Sales & Authorized Service (Centro Autorizado de Servicio) within Mexico:

Name, address, of manufacturer and importers:

México, Av. de la Palma #8 Piso 2 Despacho 203, Corporativo Interpalmas,
Col. San Fernando Huixquilucan, Estado de México
T el: (55) 3605-1099
http://www.viewsonic.com/la/soporte/index.htm

NÚMERO GRATIS DE ASISTENCIA TÉCNICA PARA TODO MÉXICO: 001.866.823.2004

Hermosillo:

Distribuciones y Servicios Computacionales SA de CV.
Calle Juarez 284 local 2
Col. Bugambilias C.P: 83140
T el: 01-66-22-14-9005
E-Mail: [e-mail]

Puebla, Pue. (Matriz):

RENTA Y DATOS, S.A. DE C.V. Domicilio:
29 SUR 721 COL. LA PAZ
72160 PUEBLA, PUE.
T el: 01(52).222.891.55.77 CON 10 LINEAS
E-Mail: [e-mail]

Chihuahua

Soluciones Globales en Computación
C. Magisterio # 3321 Col. Magisterial
Chihuahua, Chih.
T el: 4136954
E-Mail: [e-mail]

Distrito Federal:

QPLUS, S.A. de C.V.
Av. Coyoacán 931
Col. Del Valle 03100, México, D.F.
T el: 01(52)55-50-00-27-35
E-Mail : [e-mail]

Guerrero Acapulco

GS Computación (Grupo Sesicomp)
Progreso #6-A, Colo Centro
39300 Acapulco, Guerrero
T el: 744-48-32627

MERIDA:

ELECTROSER
Av Reforma No. 403Gx39 y 41
Mérida, Yucatán, Méxi co CP97000
T el: (52) 999-925-1916
E-Mail: [e-mail]

Tijuana:

STD
Av Ferrocarril Sonora #3780 L-C
Col 20 de Noviembre
Tijuana, Mexico

Villahermosa:

Compumantenimietnos Garantizados, S.A. de C.V.
AV. GREGORIO MENDEZ #1504
COL, FLORIDA C.P. 86040
Tel: [phone]
E-Mail: [e-mail]

Veracruz, Ver.:

CONEXION Y DESARROLLO, S.A DE C.V. Av.
Americas # 419
ENTRE PINZÓN Y ALVARADO
Fracc. Reforma C.P. 91919
Tel: [phone]
E-Mail: [e-mail]

Cuernavaca
Compusupport de Cuernavaca SA de CV
Francisco Leyva # 178 Col. Miguel Hidalgo
C.P. 62040, Cuernavaca Morelos
Tel: [phone]
E-Mail: [e-mail]

Guadalajara, Jal.:

SERVICRECE, S.A. de C.V.
Av. Niños Héroes # 2281
Col. Arcos Sur, Sector Juárez
44170, Guadalajara, Jalisco
T el: 01(52)33-36-15-15-43
E-Mail: [e-mail]

Monterrey:

Global Product Services
Mar Caribe # 1987, Esquina con Golfo Pérsico
Fracc. Bernardo Reyes, CP 64280
Monterrey N.L. México
T el: 8129-5103
E-Mail: [e-mail]

Oaxaca, Oax.:

CENTRO DE DISTRIBUCION Y
SERVICIO, S.A. de C.V.
Murguía # 708 P.A., Col. Centro, 68000, Oaxaca
T el: 01(52)95-15-15-22-22
Fax: [phone]
E-Mail. [e-mail]

FOR USA SUPPORT:

ViewSonic Corporation
381 Brea Canyon Road, Walnut, CA. 91789 USA
T el: 800-688-6688 (English); 866-323-8056 (Spanish);
Fax: [phone]
E-Mail: http://www.viewsonic.com

4.3: ViewSonic Mexico Limited Warranty Page 2 of 2 LCD_LW03 Rev. 1a 06-11-07

ViewSonic CD4220 43

CD4620/CD4220 RS232 protocol

Table of Content

1 Introduction .......................................................................................................45

2 Description.........................................................................................................45

2.1 Hardware specification ............................................................................................................45

2.2 Communication Setting............................................................................................................45

2.3 Command Message Reference...............................................................................................45

3 Protocol 1 : with ID............................................................................................ 46

3.1 Command Description .............................................................................................................46

3.2 Set-Function Listing.................................................................................................................46

3.3 Get-Function Listing.................................................................................................................49

4 Protocol 2 : without ID ......................................................................................51

4.1 Set function listing....................................................................................................................51

4.2 Get-Function Listing.................................................................................................................53

4.3 Remote Control Pass-through mode.......................................................................................55

Version control

Date Reversion Changes and additions by

11/12/2007 V1.0 First release, combine two protocol sets in one document Tony Kao

V1.1 Remove section 3.4 Tony Kao

11/14/2007 V1.2 Update base on vender confirmation

Tony Kao

Jane Chen

Applicable model
CD4620
CD4220

ViewSonic CD4220 44

3. Introduction

This document describes the hardware interface spec and software protocols of RS232 interface
communication between Viewsonic Commercial Display and PC or other control unit with RS232
protocol.
Viewsonic CD4620 and CD4220 contain with 2 set of protocol command

1. Protocol 1, with ID

This set protocol allow user to assign the ID in the command to control the specify ID monitor

2. Protocol 2, without ID

The set protocol is best for single display control and for Viewsonic NMP-530.

Both sets protocol contain three sections command:

z Set-Function
z Get-Function
z Remote control pass-through mode

※In below document, “PC” will represents all the control units that can sent or receive the RS232
protocol command.

4. Description

4.1 Hardware specification

Viewsonic LCD communication port in the rear side
(1) Connector type: DSUB 9 Pin Male
(2) Pin Assignment

Pin # Signal Remark

1 NC
2 RXD Input to LCD Monitor

Male DSUB 9Pin

(outside view)

4.2 Communication Setting

- Baud Rate Select: 9600bps (fixed)

- Data bits: 8bits (fixed)

- Parity: None (fixed)

- Stop Bits: 1(fixed)

3 TXD Output from LCD Monitor
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
frame GND

*Use of crossover (null modem) cable
required for use with PC

4.3 Command Message Reference

PC sends to Monitor command packet followed by “CR”.
Monitor, the Monitor shall response as follows:

1. If the message is receives correctly it will send “+” (02Bh) followed by “CR” (00Dh)

2. If the message is receives incorrectly it will send “-” (02Dh) followed by “CR” (00Dh)

Every time PC sends control command to the

ViewSonic CD4220 45

5. Protocol 1 : with ID

5.1 Command Description

Length:
TV ID

Total Byte of Message excluding “CR”
Identification for each of TV
Identify command type,
“s” (0x73h) : Set Command
“g” (0x67h) : Get Command

Command Type

“r” (0x72h) : Reply Command
“p” (0x70h) : RCU Pass-through
“+” (0x2Bh) : Valid command Reply
“-“ (0x2Dh) : Invalid command Reply

Command:
Value[1~3]:
CR

Function command code: One byte ASCII code
Three bytes ASCII that defines the value
0x0D

5.2 Set-Function Listing

The PC can control the LCD Monitor for specific actions. The Set-Function command allows you to
control the LCD monitor behavior in a remote sit through the RS232 port. The Set-Function packet
format consists of 11 bytes.

Set-Function description:

Length:
TV ID

Total Byte of Message excluding “CR”
Identification for each of TV
If we want to set all TV settings, TV ID can use “99” to achieve, and it will not
have Reply command on this function.

Command Type

Identify command type,
“s” (0x73h) : Set Command

Command:
Value[1~3]:
CR

Function command code: One byte ASCII code
Three bytes ASCII that defines the value
0x0D

Set-Function format
Send: (Command Type=”s”)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Byte

Count

Bytes
order

1 Byte 2 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte

1 2~3 4 5 6 7 8 9

Reply: (Command Type=”+” or “-”)

Name Length ID Command Type CR

Byte

Count

Bytes
order

Example1: Set Brightness as 76 for TV-02 and this command is valid
Send (Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Hex 0x38 0x30

Reply (Hex Format)

Name Length ID Command Type CR

Hex 0x34 0x30

Example2: Set Brightness as 176 for TV-02 and this command is NOT valid
Send (Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

1 Byte 2 Byte 1 Byte 1 Byte

1 2~3 4 5

0x24 0x30 0x37 0x36 0x0D

0x32

0x32

0x73

0x0D

0x2B

ViewSonic CD4220 46

Hex 0x38 0x30

0x32

0x24 0x31 0x37 0x36 0x0D

0x73

Reply (Hex Format)

Name Length ID Command Type CR

Hex 0x34 0x30

0x32

0x0D

0x2D

Example3: Set Tint as 32 for TV-03 and this command is valid
Send (Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Hex 0x38 0x30

0x33

0x27 0x30 0x33 0x32 0x0D

0x73

Reply (Hex Format)

Name Length ID Command Type CR

Hex 0x34 0x30

0x33

0x0D

0x2B

Example4: Set Tint as 75 for TV-03 and this command is NOT valid
Send (Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Hex 0x38 0x30

0x33

0x27 0x30 0x37 0x35 0x0D

0x73

Reply (Hex Format)

Name Length ID Command Type CR

Hex 0x34 0x30

0x33

0x2B

0x0D

Example5: Set Brightness as 76 for all TV and this command is valid
Send (Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Hex 0x38 0x39

0x39

0x73

0x24 0x30 0x37 0x36 0x0D

No Reply.

CD4620/CD4220 set-function table

Length ID Command Command Value Range Set Function

Type Code (ASCII) Code (Hex) (Three ASCII bytes)

000: STBY Power 8 s ! 21
001: ON

Input Select 8 s “ 22

Contrast 8 s # 23 000 ~ 100
Brightness 8 s $ 24 000 ~ 100
Sharpness 8 s % 25 000 ~ 100
Color 8 s & 26 000 ~ 100
Tint 8 s ‘ 27 000 ~ 100
Bass 8 s . 2E 000 ~ 100 Sets Bass value
Treble 8 s / 2F 000 ~ 100 Sets Treble value
Balance 8 s 0 30 000 ~ 100 Sets Balance position
Picture Size 8 s 1 31

OSD Language 8 s 2 32

000 : VGA
001 : HDMI1
002 : HDMI2
003 : AV
004 : YPbPr
005 : S-Video

000 : 16:9
001 : 4:3
002 : ZOOM
003 : PANORAMA
000 : English

001 : French
002 : Spanish
003 : Germany
004 : Italian
005 : Simplified

Comments

Controlled power
status: ON or Standby

ViewSonic CD4220 47

Chinese

006 : Russian
OSD timeout 8 s 3 33 005 ~120 Sec Set OSD timeout
Volume 8 s 5 35 000 ~ 100

000: OFF Mute 8 s 6 36

001: ON (mute)

000: OFF Off Timer 8 s 7 37

001~024 (hour)
PIP Mode 8 s 9 39

PIP position 8 s ; 3B

PIP Input 8 s < 3C

Monitor ID 8 s = 3D 001 ~ 026
Key Pad 8 s A 41

Remote Control 8 s B 42

Key Pad 8 s C 43

Factory reset 8 s ~ 7E 0 Rests HDTV to factory

000 : OFF

001: PIP

002: POP

003 : PBP

004 : PBPA

000: Main PIP Sound select 8 s : 3A

001: PIP

000: Up

001: Down

002: Left

003: Right

000 : VGA

001 : HDMI1

002 : HDMI2

003 : AV

004 : YPbPr

005 : S-Video

000 : POWER

001 : SOURCE

002 : MENU/EXIT

003 : UP

004 : DOWN

005 : LEFT

006 : RIGHT

007 : MUTE

000: Disable Disable: RCU has no

001: Enable Enabled: RCU

002: Pass through Pass through:

000: Disable Disable: Key Pad have

001: Enable Enabled

effect on HDTV.

controls the HDTV.
This is the power up
default on the HDTV.

RCU
has no effect on HDTV
and all RCU command
codes are transmitted
to FC via the RS232
port. See page 26 for
more details

no effect on HDTV.

: Key Pad
control the HDTV. This
is the power up default
on the HDTV.

setting

ViewSonic CD4220 48

5.3 Get-Function Listing

The PC can interrogate the LCD Monitor for specific information. The Get-Function packet format
consists of 5 bytes which is similar to the Set-Function packet structure. Note that the “Value” byte is
always = 00.

Get-Function description:

Length:
TV ID
Command Type

Total Byte of Message excluding “CR”
Identification for each of TV
Identify command type,
“g” (0x67h) : Get Command

Command:
Value[1~3]:
CR

Function command code: One byte ASCII code
Three bytes ASCII that defines the value
0x0D

Get-Function format
Send: (Command Type=”g”)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Byte

Count

Bytes
order

1 Byte 2 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte

1 2~3 4 5 6 7 8 9

Reply: (Command Type=”r” or “-”)
If the Command is valid, Command Type =”r”

Name Length ID Command Type Command Value1 Value2 Value3 CR

Byte

Count

Bytes
order

1 Byte 2 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte

1 2~3 4 5 6 7 8 9

If the Command is Not valid, Command Type=”-“

Name Length ID Command Type CR

Byte

Count

Bytes
order

1 Byte 2 Byte 1 Byte 1 Byte

1 2~3 4 5

Example1: Get Brightness from TV-05 and this command is valid.
The Brightness value is 67.
Send (Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Hex 0x38 0x30

0x35

Reply(Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Hex 0x38 0x30

0x35

Example2: Get Brightness from TV-05 , but the Brightness command ID is error
and it is NOT in the command table.
Send (Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Hex 0x38 0x30

0x35

Reply (Hex Format)

Name Length ID Command Type CR

Hex 0x34 0x30

0x35

0x62 0x30 0x30 0x30 0x0D

0x67

0x72

0x62 0x30 0x36 0x37 0x0D

0XD3 0x30 0x30 0x30 0x0D

0x67

0x0D

0x2D

ViewSonic CD4220 49

Example3: Get Tint from TV-0007 and this command is valid.
The Tint value is 32.
Send (Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Hex 0x38 0x30

0x37

0x67

0X65 0x30 0x30 0x30 0x0D

Reply (Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Hex 0x38 0x30

0x37

0x65 0x30 0x33 0x32 0x0D

0x72

Example4: Get Tint from TV-07 , but the Brightness command ID is error and it is NOT in the
command table.
Send (Hex Format)

Name Length ID Command Type Command Value1 Value2 Value3 CR

Hex 0x38 0x30

0x37

0XD7 0x30 0x30 0x30 0x0D

0x67

Reply (Hex Format)

Name Length ID Command Type CR

Hex 0x34 0x30

0x37

0x0D

0x2D

PC Get-function command to CD4620/CD4220 LCD Monitor

Length ID Command

Type

Code (ASCII) Code (Hex) (Three ASCII bytes)

Get-Contrast 8 g a 61 000 ~ 100 Gets Contrast value
Get-Brightness 8 g b 62 000 ~ 100 Gets Brightness value
Get-Sharpness 8 g c 63 000 ~ 100 Gets Sharpness value
Get-Color 8 g d 64 000 ~ 100 Gets Color value
Get-Tint 8 g e 65 000 ~ 100 Gets Tint value
Get-Volume 8 g f 66 000 ~ 100 Gets Volume value

Get-RCU 8 g h 68

Get-Input select 8 g j 6A

Get-Power status 8 g l 6C

Get-ACK 8 g z 7A 0 This command is used to

Command Response Range Get Function

000: OFF (unmuted) Get-Mute 8 g g 67
001: ON (muted)
000: Disable
001: Enable
002: Pass through
000: Disable Get-Key Pad 8 g i 69
001: Enable
000: VGA
001: HDMI1
002: HDMI2
003: AV
004: YPbPr
005: S-Video
000: STBY Gets the status of the HDTV

001: ON HDTV response:

000 = HDTV is in standby
001 = HDTV is ON

Comments

Gets Mute ON/OFF status

Gets RCU mode status

Gets Buttons ON/OFF
status

Gets Input select status

power.

test the communication link.

ViewSonic CD4220 50

6. Protocol 2 : without ID

V

V

V

V

V

6.1 Set function listing

The PC can control the LCD Monitor for specific actions. The Set-Function command allows you to
control the LCD monitor behavior in a remote sit through the RS232 port. The Set-Function packet
format consists of 5 bytes. Note that the “Value” byte is always = 00.

Set-Function description:

Length:
Command:
Value[1~3]:

Total bytes of message = 5 ASCII (35H) excluding “CR”
Function command code: One byte ASCII code
Three bytes ASCII that defines the value

Set-Function format:

Name

Length Command

alue1 Value2 Value3 CR

Byte Count 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte

Bytes order 1 2 3 4 5 6

All Set-Function from PC to Monitor (ASCII)

Name

Byte Count

Length Command

alue1 Value2 Value3 CR

5 1 Byte 1 Byte 1 Byte 1 Byte 00D

Bytes order 1 2 3 4 5 6

Example: Set Mute-ON command (ASCII)

Name

Byte Count

Length Command

alue1 Value2 Value3 CR

5 6 0 0 0 00D

Bytes order 1 2 3 4 5 6

Example: Set Mute-OFF command (ASCII)

Name

Byte Count

Length Command

alue1 Value2 Value3 CR

5 6 0 0 1 00D

Bytes order 1 2 3 4 5 6

Example: Set Tint to 50 command (ASCII)

Name

Byte Count

Length Command

alue1 Value2 Value3 CR

5 ‘ 0 5 0 00D

Bytes order 1 2 3 4 5 6

LCD Monitor will send “+” (02Bh) and “CR” bytes to PC after receiving a valid command.
LCD Monitor will send “-” (02Dh) and “CR” bytes to PC if the command is not valid.

Value Range: Three bytes ASCII value range

Command Code: Function command code in ASCII

CD4620/CD4220 set command table

Length Command Command Value Range Set Function

Code (ASCII) Code (Hex) (Three ASCII bytes)

000: STBY Power 5 ! 21
001: ON

Input Select 5 “ 22

Contrast 5 # 23 000 ~ 100

000 : VGA
001 : HDMI1
002 : HDMI2
003 : AV
004 : YPbPr
005 : S-Video

Comments

Controlled power status: ON or
Standby

ViewSonic CD4220 51

Brightness 5 $ 24 000 ~ 100
Sharpness 5 % 25 000 ~ 100
Color 5 & 26 000 ~ 100
Tint 5 ‘ 27 000 ~ 100
Bass 5 . 2E 000 ~ 100 Sets Bass value
Treble 5 / 2F 000 ~ 100 Sets Treble value
Balance 5 0 30 000 ~ 100 Sets Balance position
Picture Size 5 1 31

OSD Language 55 2 32

OSD timeout 5 3 33 005 ~120 Sec Set OSD timeout
Volume 5 5 35 000 ~ 100

PIP Mode 5 9 39

PIP position 5 ; 3B

PIP Input 5 < 3C

Monitor ID 5 = 3D 001 ~ 026
Key Pad 5 A 41

Remote Control 5 B 42

Key Pad 5 C 43

Factory reset 5 ~ 7E 0 Rests HDTV to factory setting

000 : 16:9
001 : 4:3
002 : ZOOM
003 : PANORAMA
000 : English

001 : French
002 : Spanish
003 : Germany
004 : Italian
005 : Simplified Chinese

006 : Russian

000: OFF Mute 5 6 36
001: ON (mute)
000: OFF Off Timer 5 7 37
001~024 (hour)
000 : OFF
001: PIP
002: POP
003 : PBP
004 : PBPA
000: Main PIP Sound select 5 : 3A
001: PIP
000: Up
001: Down
002: Left
003: Right
000 : VGA
001 : HDMI1
002 : HDMI2
003 : AV
004 : YPbPr
005 : S-Video

000 : POWER
001 : SOURCE
002 : MENU/EXIT
003 : UP
004 : DOWN
005 : LEFT
006 : RIGHT
007 : MUTE
000: Disable Disable: RCU has no effect on

001: Enable Enabled: RCU controls the

002: Pass through Pass through:

000: Disable Disable: Key Pad have no effect

001: Enable Enabled

HDTV.

HDTV. This is the power up
default on the HDTV.

RCU has no
effect on HDTV and all RCU
command codes are transmitted
to FC via the RS232 port. See
page 26 for more details

on HDTV.

: Key Pad control the

HDTV. This is the power up
default on the HDTV.

ViewSonic CD4220 52

6.2 Get-Function Listing

V

V

V

V

The PC can interrogate the LCD Monitor for specific information. The Get-Function packet format
consists of 5 bytes which is similar to the Set-Function packet structure. Note that the “Value” byte is
always = 00.

Get-Function description:

Length:
Command:
Value[1~3]:

Total bytes of message = 5 ASCII (35H), excluding “CR”
Get-Function command code: One byte ASCII code
Always = 000

Get-Function format from PC to LCD (ASCII)

Name

Byte Count

Bytes order 1 2 3 4 5 6

Monitor shall response to Get-Function with the following packet format:

LCD Monitor response packet forma t:

Name

Byte Count

Bytes order 1 2 3 4 5 6

Response packet (to Get-Function):

Length:
Value[1-4]:

LCD Monitor will send “+” (02Bh), “CR” bytes to PC after receiving a valid command
LCD Monitor will send “-” (02Dh), “CR” bytes to PC if the command is not valid

 The following is an example of PC requesting the volume value from the LCD Monitor:

PC send Get-Volume-value packet to Monitor (In ASCII)

Name

Byte Count

Bytes order 1 2 3 4 5 6

LCD Monitor will send “-” (02Dh), “CR” to PC if command is not recognized.
Otherwise the LCD Monitor will respond with the volume value as outlined below:

LCD-Monitor response packet to Get-volume-value (in this example the volume value is 50):

Name

Byte Count

Bytes order 1 2 3 4 5 6

A special command “Get-ACK” is used to test the communication link between PC and the LCD Monitor.
The LCD Monitor shall response to “Get-ACK” command with a “+” or “-“.

Get-ACK from PC to LCD (ASCII)

Name

Byte Count

Bytes order 1 2 3 4 5 6

LCD Monitor will send “+” (02Bh); “CR” bytes to PC after receiving the command indicating that the
communication link is OK

Length Command

5 1 Byte 0 0 0 00D

Length Value1 Value2 Value3 Value4 CR

5 1 Byte 1 Byte 1 Byte 1 Byte 00D

Total bytes of packet = 5 ASCII excluding “CR”
Exception: Total bytes for On-Hours = 6
Four ASCII codes: Value range is from 0000 ~ 9999
Exception: Value[1-5] for On-Hours

Length Command

5 f 0 0 0 00D

Length Value1 Value2 Value3

5 0 0 5 0 00D

Length Command

5 z 0 0 0 00D

alue1 Value2 Value3 CR

alue1 Value2 Value3 CR

alue4 CR

alue1 Value2 Value3 CR

ViewSonic CD4220 53

Get Function

Get-Contrast a 61 000 ~ 100 Gets Contrast value
Get-Brightness b 62 000 ~ 100 Gets Brightness value
Get-Sharpness c 63 000 ~ 100 Gets Sharpness value
Get-Color d 64 000 ~ 100 Gets Color value
Get-Tint e 65 000 ~ 100 Gets Tint value
Get-Volume f 66 000 ~ 100 Gets Volume value

Get-RCU h 68

Get-Input select j 6A

Get-Power status l 6C

Get-ACK z 7A 0 This command is used

Length Command Command Response Range

Code

(ASCII)

Code (Hex)

(Three ASCII bytes)

000: OFF (unmuted)Get-Mute g 67
001: ON (muted)
000: Disable
001: Enable
002: Pass through
000: Disable Get-Key Pad i 69
001: Enable
000: VGA
001: HDMI1
002: HDMI2
003: AV
004: YPbPr
005: S-Video
000: STBY Gets the status of the

001: ON HDTV response:

000 = HDTV is in

001 = HDTV is ON

Comments

Gets Mute ON/OFF
status

Gets RCU mode
status

Gets Buttons ON/OFF
status

Gets Input select
status

HDTV power.

standby

to test the
communication link.

ViewSonic CD4220 54

6.3 Remote Control Pass-through mode

When PC sets the LCD monitor to Remote Control Pass through mode, the LCD shall send a three
bytes packet (followed by “CR”) in response to RCU button activation. Note, that in this mode the RCU

shall have no effect on the monitor function. For example: “+Volume” will not change the volume in the

LCD but only sends “+Volume” code to PC over the RS232 port.

Remote Control pass-through packet format from LCD monitor to PC(ASCII)

Name

Byte Count

Bytes order 1 2 3 4

Example: Remote Control pass-through when “Menu” key is pressed (1A)

Name

Byte Count

Bytes order 1 2 3 4

Example: Remote Control pass-through when key “1” is pressed (01)

Name

Byte Count

Bytes order 1 2 3 4

Length RCU-Code1 RCU-Code2 CR

3 MSB LSB 00D

Length RCU-Code1 RCU-Code2 CR

3 1 A 00D

Length RCU-Code1 RCU-Code2 CR

3 0 1 00D

Example: Remote Control pass-through when “OK” key is pressed (1F)

Name

Byte Count

Bytes order 1 2 3 4

Length RCU-Code1 RCU-Code2 CR

3 1 F 00D

Key Code (HEX)

Size 0F
Volume Up (+) 10
Volume Down (-) 11
Mute 12
POWER 15
INPUT 16
PIP ON/OFF 17
MENU 1A
Up 1B
Down 1C
Left(-) 1D
Right(+) 1E
SET 1F
PIP INPUT 00
PIP CHANGE 00
PICTURE MODE 00
AUDIO INPUT 00
SCREEN SAVER GAMMA 00
SCREEN SAVER BRIGHTNESS 00
DISPLAY 00
AUTO SETUP 00
EXIT 00

ViewSonic CD4220 55