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Copyright © ViewSonic Corporation, 1999. All right reserved.
IBM XT, AT, 386, 486, and PS/2 are registered trademarks and/or trademarks of International Business
Machines Corporation.
Pentium is a registered trademark of Intel Corporation.
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
ofViewSonic Corporation.
ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency (EPA).
VESA is a registered trademark of the Video Electronics Standards Association. DPMS and DDC are
trademarks of VESA.
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 this product .
ViewSonic Corporation reserves the right to change product specification 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.
As an ENERGY STAR® partner, ViewSonic Corp. has determinded that this product meets the ENERGY STAR
guidelines for energy efficiency.
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®
Electronic Warranty Registration
Register your monitor at www.viewsonic.com. It’s fast, easy, and will simplify future support needs.
For Your Records
The serial number of this product is on the back of the monitor. You should note
the serial number of this unit in the space provided and retain this booklet as a
permanent record of your purchase to aid in identification in the event of theft
or loss.
Product Name: ViewSonic G655
Model Number: VCDTS21468-1
Serial Number: __________________
Purchase Date: ___________________
Power Cord Safety Guidelines
Caution : Use a power cable that is properly grounded. Always use the AC cords listed
below for each area :
USA ...........................UL
Canada ......................CSA
Germany ....................VDE
Switzerland ................SEV
Britain .........................BASEC/BS
Japan .........................Electric Appliance Control Act
In other areas, use AC cord which meets local safety standards.
ViewSonic G655
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AC PLUG CORD PRECAUTIONS FOR THE UNITED KINGDOM
FOR YOUR SAFETY PLEASE READ THE FOLLOWING TEXT CAREFULLY.
IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE SOCKET OUTLET THEN THE
PLUG SHOULD BE CUT OFF AND DISPOSED OF SAFELY.
THERE IS A DANGER OF SEVERE ELECTRICAL SHOCK IF THE CUT OFF PLUG IS
INSERTED INTO AN APPROPRIATE SOCKET.
If a new plug is to be fitted, please observe the wiring code as shown below.
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If in any doubt, please consult a qualified electrician.
WARNING: THIS APPLIANCE MUST BE EARTHED.
IMPORTANT: The wires in this mains lead are coloured in accordance with the following code:
If the coloured wires of the mains lead of this appliance do not correspond with the coloured
markings identifying the terminals in your plug, proceed as follows:
The wire which is coloured GREEN-AND-YELLOW must be connected to the terminal in the
plug which is marked by the letter E or by the Earth symbol or coloured GREEN or GREENAND-YELLOW.
The wire which is coloured BLUE must be connected to the terminal in the plug which is marked
with the letter N or coloured BLACK. The wire which is coloured BROWN must be connected to
the terminal in the plug which is marked with the letter L or coloured RED.
The power cord set for this unit has been enclosed and has been selected according to
the country of destination and must be used to prevent electric shock. Use the following
guidelines if it is necessary to replace the original cord set, or if the cord set is not
enclosed.
The female receptacle of the cord set must meet CEE-22 requirements and will look like
Figure 1 below:
For the United States and Canada
In the United States and Canada the male plug is a NEMA5-15 style (Figure 2), UL
Listed, and CSA Labelled. For units which are mounted on a desk or table, type SVT or
SJT cord sets may be used. For units which sit on the floor, only SJT type cord sets may
be used. The cord set must be selected according to the current rating for your unit.
Please consult Table A below for the selection criteria for power cords used in the United
States and Canada.
Power Cord Safety Guidelines (continued)
Green-and-Yellow: Earth
Blue: Neutral
Brown: Live
IMPORTANT NOTICE CONCERNING POWER CORD SELECTION
Figure 1
Figure 2
For European Countries
In Europe you must use a cord set which is appropriate for the receptacles in your
country. The cord set is HAR-Certified, and a special mark that will appear on the outer
sheath, or on the insulation of one of the inner conductors.
If you have any questions concerning which proper power cord to use, please consult with
the dealer from whom you have purchased your monitor.
Table A
Cord Type Size of Conductors In Cord Maximum Current Rating of Unit
SJT 18AWG 10Amps
16AWG 12Amps
14AWG 12Amps
SVT 18AWG 10Amps
2
17AWG 12Amps
ViewSonic G655
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FCC Information
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:our, aone leTw[nna.rt 15 of
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ViewSonic G655
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ENGLISH
CONTENTS
For Your Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Power Cord Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
FCC Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
CE Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Getting Started
Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Quick Installation* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Operation
Front Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Using the [2] button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
OnView® Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Other Information
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Cleaning the Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . back cover
*To meet your future needs, and to receive any additional product information as it becomes available,
please register your monitor's warranty on the Internet at: http://www.viewsonic.com.
4
ViewSonic G655
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Getting Started
Congratulations on your purchase of a Graphics Series ViewSonic G655
monitor!
Save the original box and all packing material for future shipping needs.
NOTE: This product was designed for operation in the magnetic fields of the
hemisphere where it was purchased. Also, the word "Windows®" in this user
guide refers to the following Microsoft
Windows '98, Windows NT® (5.0).
Package Contents
Your ViewSonic G655 package includes the following:
• ViewSonic G655 monitor
• Attached video cable with 15 pin high density mini D-sub connector
• Power cord
• User’s Guide
• INF and ICM installation files on CD-ROM or diskette
IMPORTANT: The supplied INF file assures compatibility with Windows operating
systems, and the ICM file (Image Color Matching) ensures accurate on-screen colors.
ViewSonic® recommends that you install both files.
• For CD-ROM: Insert the CD-ROM into your system, wait for it to auto-install, select
“Monitor Drivers,” and follow the on-screen instructions.
• For diskette: Insert the diskette into your system, run install.exe, and follow the on-
screen instructions.
®
operating systems: Windows '95,
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Precautions
• For best viewing conditions sit at
least 18" from the monitor.
• AVOID TOUCHING THE SCREEN
WITH YOUR FINGERS. Oils from
the skin are difficult to remove.
•
NEVER REMOVE THE REAR
COVER. The monitor contains highvoltage parts. You may suffer serious
injury if you touch these parts.
• Avoid exposing the monitor to direct
sunlight or another heat source. The
monitor should be facing away from
direct sunlight to reduce glare.
• Always handle your monitor with
care when moving it.
ViewSonic G655
•
Choose a well ventilated area to
position your monitor. Do not place
anything on the monitor that prevents
adequate dissipation of heat.
•
Ensure the area around the monitor is
clean and free of moisture.
•
Keep the monitor away from magnets,
motors, transformers, speakers, and
televisions.
•
Do not place heavy objects on the
monitor, video cable, or power cord.
•
If smoke, abnormal noise, or strange
odor is present, immediately switch the
monitor off and call your dealer or
ViewSonic. It is dangerous to continue
using the monitor.
Getting Started
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ENGLISH
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ViewSonic G655
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Operation
Adjust your ViewSonic G655 monitor using the buttons on the front control
panel as shown below. The buttons scroll down the OnView
®
Main Menu
(page 8) and adjust each control (pages 8 through 10).
Front Control Panel
To adjust the monitor, follow the numbered steps in sequence as shown below.
➍
➋
➌
Button [2]
activates the
control screen
for the
highlighted
control
Power light:
Green = on
Orange = power saving
Power
On/Off*
mode
➊
Button [1]
displays the
Main Menu
➎
Button [1] exits
control screen
or menu and
saves all
adjustments
[▼] and [▲] scrolls
up and down the
Main Menu; highlight
the control you want
to adjust (see below)
[▼] and [▲]
decreases or
increases value
of the selected
control
E
N
G
L
I
S
H
* The monitor automatically
fields that can affect color purity and convergence. To prevent possible damage, if you turn the
monitor off, then immediately on again, wait 20 minutes before doing this again. Do not turn the
monitor on and off repeatedly. To
degausses
manually degauss the monitor, see the instructions on page 9.
each time you turn it on, removing the buildup of magnetic
Using the [2] button
One of the uses of the [2] button is to switch between controls shown in pairs
on the Main Menu (see page 8).
Example: Press the [2] button to
switch between the CONTRAST
and BRIGHTNESS controls.
NOTE: In the CONTAST example
"MAX" indicates the maximum
value for CONTRAST.
ViewSonic G655
Operation
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OnView® Main Menu
E
N
G
L
I
S
H
CONTRAST/BRIGHTNESS Press button [2] to select one of the
following controls.
Shortcut: Before displaying the Main Menu, press [▼] or [▲] to
display the Contrast/Brightness control screen.
CONTRAST adjusts foreground white level of screen
image. Press [▼] or [▲] to adjust.
BRIGHTNESS adjusts background black level of screen
image. Press [▼] or [▲] to adjust.
H/V POSITION Press button [2] to select Horizontal or Vertical
Position.
H. POSITION (Horizontal Position) moves screen image
left or right. [▼] moves screen image left, [▲] moves screen
image right.
V. POSITION (Vertical Position) moves screen image up
and down. [▼] moves screen down, [▲] moves screen up.
H/V SIZE Press button [2] to select Horizontal or Vertical Size.
H. SIZE (Horizontal Size) adjusts width of screen image.
[▼] decreases width, [▲] increases width.
8
Operation
V. SIZE (Vertical Size) adjusts height of screen image.
[▼] decreases height, [▲] increases height.
ViewSonic G655
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To exit the OnView® menu & save changes, press button [1].
PINCUSHION/TRAPEZOID Press button [2] to select
Pincushion or Trapezoid.
PINCUSHION straightens vertical sides of screen image.
[▼] curves vertical edges inward, [▲] curves vertical edges
outward.
TRAPEZOID makes vertical edges of screen image
parallel. [▼] narrows top and widens bottom, [▲] widens top
and narrows bottom.
TILT rotates entire screen image. [▼] rotates screen image counterclockwise. [
▲] rotates screen image clockwise.
DEGAUSS There are two ways to degauss the monitor;
automatically by turning the monitor on, or manually by selecting
the Degauss control from the OnView Main Menu.
Important: Do not degauss repeatedly. Doing so can be harmful
to the monitor. Wait at least 20 minutes (before selecting this
control again.
E
N
G
L
I
S
H
VIEWMATCH® COLOR provides four color adjustment options:
four preset color temperatures and USER COLOR which allows
you to adjust red and blue (green is fixed).
Press [▼] or [▲] to select one of the three color temperatures
shown below, then press [2] to activate it. Selecting and activating
USER COLOR displays the screen shown below.
NOTE: The factory setting for the monitor is 9300K, the color
temperature most frequently used in rooms with fluorescent lights.
From this screen,
press button [2]
to select Red or
or Blue, then
press [▼] or [▲]
to adjust.
ViewSonic G655
USER COLOR
Operation
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OSD POSITION allows you to move any OnView screen (menu or
adjustment screen) up, down, left, or right. Press button [2] to
select Vertical OSD or Horizontal OSD.
H. OSD POSITION (Horizontal OSD Position) Press [▼]
or [▲] to move the OSD left or right.
V. OSD POSITION (Vertical OSD Position) Press [▼] or
[▲] to move the OSD up or down.
E
N
G
L
I
S
H
LANGUAGE allows you to choose from among five languag8929
10
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Other Information
Specifications
CRT Type 15" (14.0" viewable diagonal)
0.27mm dot pitch, 90° deflection
Glass Surface Anti-Glare, Anti-Static coating
Standard light transmission rate = 46%
Input Signal Video RGB Analog (0.7 Vp-p, 75 ohms)
HV Separated (TTL),
Sync f
Compatibility PC Up to 1280 x 1024*
Macintosh®*
Maximum Refresh 1280 x 1024 NI @ 66 Hz 800 x 600 NI @ 110Hz
2
Rates*
1
: 30-70kHz, fV: 50-120Hz
H
3
Power Macintosh®, up to 1024 x 768
1024 x 768 NI @ 87 Hz 640 x 480 NI @ 120 Hz
Power Voltage AC 100-240V 50/60 Hz
Connectors Input Signal 15 pin mini D-sub
Power 3-pin plub (IEC320)
Display Area Default 260mm (H) x195mm (V) (Typical)
Full Scan 280mm (H) x 210mm (V) (Depends on signal timing)
Operating Temperature 40°F to 104°F (5°C to 40°C)
Conditions Humidity 5% to 90% (no condensation)
Altitude To 10,000 feet
Storage Temperature -40°F to +140°F (-40°C to +60°C)
Conditions Humidity 5% to 95% (no condensation)
Altitude To 36,000 feet
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Dimensions Physical 360mm (W) x 374mm (H) x 390mm (D)
(monitor) 14.2" (W) x 14.7" (H) x 15.4" (D)
Weight Net 12.0 kgs (26.4 lbs) (monitor only)
Regulations UL, CSA, FCC-B, DHHS, DOC-B, TUV Ergo/MPR II,
CE, PTB, ISO9241-3, DOC, NOM, TUV/GS, VCCI,
BCIQ, CCIB, S-Mark, C-Tick, Energy Star
®
,Nemko,
Semko, Demko, Fimko, B Mark
Power saving
modes
On
DPMSTM Stand By
DPMS Suspend
DPMS Off
<80W typical (green LED)
<15W (orange LED)
<15W (orange LED)
<5W (orange LED)
Preset Timing Modes (the monitor has been pre-adjusted to VESA® 800x600 @ 75Hz)
VGA 640 x 400 @ 70 Hz
VESA 640 x 480 @ 75 Hz, 85 Hz
VESA 800 x 600 @ 75 Hz, 85 Hz
VESA 1024 x 768 @ 75 Hz, 85 Hz
*1A Macintosh computer requires a ViewSonic® Macintosh adapter. To order an adapter, contact customer
support. See the back cover of this manual. You will need to provide the serial number on your monitor.
*2Warning: Do not set the graphics card in your computer to exceed these maximum refresh rates.
Doing so may result in permanent damage to the monitor.
3
*
Up to 1280x1024 for FCC class B.
VESA 1280 x 1024 @ 60 Hz
Macintosh® 640 x 480 @ 67 Hz
Macintosh
Macintosh
®
832 x 624 @ 75 Hz
®
1024 x 768 @ 75 Hz
ViewSonic G655
Other Information
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Troubleshooting
No power
• Press Power button ON.
• Make sure A/C power cord is securely connected to back of monitor and to a
power outlet.
• Plug another electrical device (like a radio) into power outlet to verify that
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outlet is supplying proper voltage.
Power on but no screen image
• Make sure video cable supplied with monitor is tightly secured to video
output port on back of computer. If other end of video cable is not attached
permanently to monitor, tightly secure it to monitor.
• Adjust the brightness and contrast.
• Check this user's guide to see if an adapter is required for proper signal
continuity between graphics card and monitor.
Flickering
• Not enough power supplied. Connect monitor to different outlet. If using
surge protector, reduce number of devices plugged in.
• Check ViewMeter
higher. See the Specifications section.
• Make sure graphics card in your computer can use non-interlaced mode at
desired frequencies. To enable your graphics card to support higher refresh
rates, try selecting fewer colors or running lower resolutions.
• Remove any devices from area around monitor that emit magnetic fields
such as radios, surge protectors, unshielded speakers, fluorescent lights,
AC power converters, desk fans, etc.
Wrong or abnormal colors
• If any colors (red, green, or blue) are missing, check video cable to make
sure it is securely connected. Loose pins in the cable connector could cause
a bad connection.
• Connect monitor to another computer.
• Turn monitor OFF, wait one minute, then turn ON again.
• If you have an older graphics card, contact customer support for a non-DDC
adapter.
Entire screen image scrolls (rolls) vertically
• Make sure video input signals are within monitor's specified frequency
range.
• Try monitor with another power source, graphics card, or computer system.
• Connect video cable securely.
Control buttons do not work
• Press only one button at a time.
®
to verify refresh rate (vertical frequency) is 75 Hz or
Do this only once.
Other Information
12
ViewSonic G655
Page 14
Cleaning the Monitor
• MAKE SURE THE MONITOR IS TURNED OFF.
• NEVER SPRAY OR POUR ANY LIQUID DIRECTLY ONTO THE
SCREEN OR CASE.
To clean the screen
1 Wipe the screen with a clean, soft, lint-free cloth. This removes dust and
other particles.
2 If still not clean, apply a small amount of non-ammonia, non-alcohol
based glass cleaner onto a clean, soft, lint-free cloth, and wipe the screen.
To clean the case
1 Use a soft, dry cloth.
2 If still not clean, apply a small amount of a non-ammonia, non-alcohol
based, mild non-abrasive detergent onto a clean, soft, lint-free cloth, then
wipe the surface.
DISCLAIMER
ViewSonic® does not recommend the use of any ammonia or alcohol-based
cleaners on the monitor screen or case. Some chemical cleaners have been
reported to damage the screen and/or case of the monitor. ViewSonic will not be
liable for damage resulting from use of any ammonia or alcohol-based cleaners.
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ViewSonic G655
Other Information
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Page 15
LIMITED WARRANTY
What the warranty covers:
ViewSonic
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:
The ViewSonic
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parts and three (3) years 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
b. Repair or attempted repair by anyone not authorized by ViewSonic.
c. Any damage of the product due to shipment.
d. Removal or installation of the product.
e. Causes external to the product, such as electric power fluctuations or failure.
f. Use of supplies or parts not meeting ViewSonic’s specifications.
g. Normal wear and tear.
h. Any other cause which does not relate to a product defect.
3. Removal, installation, and set-up service charges.
How to get service:
1. For information about receiving service under warranty, contact ViewSonic Customer Support. See
the back cover of this user's guide.
2. To obtain warranted 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 prepaid in the original container to your ViewSonic dealer, any ViewSonic
service center or ViewSonic.
4. For additional information or the name of the nearest ViewSonic service center, contact your
ViewSonic dealer or ViewSonic.
Limitation of implied warranties:
THERE ARE NO WARRANTIES, EXPRESSED 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 OTHERWISE.
3. ANY CLAIM AGAINST THE CUSTOMER BY ANY OTHER PARTY.
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.:
For ViewSonic products sold outside of the U.S.A., contact your ViewSonic dealer for warranty
information and service.
VIEWSONIC
®
warrants its products to be free from defects in material and workmanship during the
G655
color monitor, including the display tube, are warranted for three (3) years for all
modification, or failure to follow instructions supplied with the product.
G655
MONITORS
REV 1/15/99
14
ViewSonic G655Other Information
Page 16
Customer Service
To receive the most prompt assistance,
dial the appropriate number below and
listen to all menu options before making
your selection: Customer Support,
Technical Support, Parts, etc.
U.S. and Canada only
1-800-688-6688
From outside U.S. and Canada
909-869-7976
From Europe
44 (1293) 643-900
From Asian/Pacific Rim countries
886 (22) 248-4072
Other Options
Technical Support Questions
vstech@viewsonic.com
Product or Dealer Questions
prodinfo@viewsonic.com
World Wide Web:
http://www.viewsonic.com
ViewSonic® Corporation
381 Brea Canyon Road
Walnut, CA 91789
Tel (909) 869-7976
Tel (800) 688-6688
02/99
Fax (909) 468-1202
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