ViewSonic VX2640w Manual

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Using the LCD Display
Setting the Timing Mode
Setting the timing mode is important for maximizing the quali ty of the screen image and
minimizing eye strain. The  timing mode consists of the  resolution (example 1920 x 1200) and
refresh rate  (or vertical frequency; example 60 Hz). After setti ng the timing mode, use the
OSD (On-screen Display) controls to adjust the screen image.
For the best picture quality set your LCD display timing mode to:
VESA 1920 x 1200 @ 60Hz .
To set the Timing Mode:
1. Set the resolution: Right-click on the Windows desktop >  Properties > Settings > set the 
resolution.
2. Set the refresh rate: See your graphic cards user  guide for instructions.
WARNING:  Do not set the graphics card in your co mputer to exceed the maximum refresh
rate of 75Hz; doing so may result in  permanent damage to your LCD display
.
OSD and Power Lock Settings
•OSD Lock:  Press and hold [1] and the up arrow  S for 10 seconds. If any buttons are
pressed the message  OSD Locked will display for 5 seconds.
• OSD Unlock:  Press and hold [1] and the up arrow  S again for 10 seconds.
• Power Button Lock:  Press and hold [1] and the down arrow  T for 10 seconds. If the
power button is pr essed the message  Power Button Locked  will display for 5 seconds. With
or without this setting, after  a power failure, your LCD disp lay’s power will automatically
turn ON when power is restored.
• Power Button Unlock: Press and hold [1] and the down arrow T  again for 10 seconds.
 
						

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Adjusting the Screen Image
Use the buttons on the front control panel to display and adjust the OSD controls which display 
on the screen. The OSD controls are explained at the top of the next page and are defined in 
“Main Menu Controls” on page 11.
Main Menu
with OSD controls
Front Control Panel
shown below in detail
Scrolls through 
menu options and 
adjusts the 
displayed control.
Also a shortcut to 
display the Contrast/
Brightness 
adjustment control 
screen.
Displays the control screen for the highlighted control.
Also toggles between three controls on some screens.
Also a shortcut to Auto Image Adjust.Power light
Blue = ON
Orange = Power Saving
Standby Power 
On/Off
Displays the
Main Menu or exits the
control screen and saves
adjustments.
 
						

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Do the following to ad
just the display setting:
1. To display the Main Menu, press button [1].
NOTE:  All OSD menus and adjustment screens  disappear automatically after about 15 
seconds. This is adjustable through the  OSD timeout setting in the setup menu.
2. To select a control to adjust, press SorT to scroll up or down in the Main Menu.
3. After the desired control is se lected, press button [2]. A cont rol screen like the one shown 
below appears.
4. To adjust the control, press the up  S or down T  buttons.
5. To save the adjustments and  exit the menu, press button [1]  twice.
The following tips may help  you optimize your display:
• Adjust the computers graphi cs card so that it outputs a 1920 x 1200 @ 60Hz video signal to
the LCD display. (Look for instructions on “cha nging the refresh rate” in the graphics cards
user guide.)
• If necessary, make small adjustments using  H. POSITION and V. POSITION until the
screen image is completely visible
. (The black border around the edge of the screen should
barely touch the illuminated “act ive area” of the LCD display.)
The line at the bottom of the screen shows
the current functions of buttons 1 and 2:
Exit or select the Brightness control.
 
						

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Main Menu Controls
Adjust the menu items shown below by using the up  S and down  T buttons.
Control Explanation
Auto Image Adjust  automatically sizes, centers, a nd fine tunes the video signal 
to eliminate waviness and distortion. Pr ess the [2] button to obtain a sharper 
image. NOTE: Auto Image Adjust works with most common video cards. If this 
function does not work on your LCD display, then lower the video refresh rate 
to 60 Hz and set the resolution to its pre-set value.
Contrast  adjusts the difference between the image background  (black level) 
and the foreground (white level).
Brightness  adjusts background black level of the screen image.
Input Select  toggles between inputs if you ha ve more than one computer 
connected to the LCD Display.
NOTE:  HDMI input/exit mode must be se lected manually by OSD menu or hot 
key control.
Audio Adjust  for HDMI only (external earphone or speaker)
Vo l u m e  increases the volume, decreases  the volume, and mutes the audio.
Mute  temporarily silences audio output.
Color Adjust  provides several color adjustment  modes, including preset color 
temperatures and a User Color mode wh ich allows independent adjustment of 
red (R), green (G), and blue (B). The  factory setting for this product is 6500K 
(6500 Kelvin).
 
						

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Control Explanation
sRGB-This is quickly becoming the industr y standard for color management,
with support being included in many of  the latest applications. Enabling this
setting allows the LCD display to more accurately display colors the way they
were originally intended. Enabling the sRGB  setting will cause the Contrast and
Brightness adjustments to be disabled.
9300K- Adds blue to the screen image for  cooler white (used in most office
settings with fluorescent lighting).
7500K -  Adds blue to the screen image for  cooler white (used in most office
settings with fluorescent lighting).
6500K- Adds red to the screen image for warmer white and richer red.
5000K- Adds green to the screen image for a darker color.
User Color  Individual adjustments for red (R), green (G),  and blue (B).
1. To select color (R, G or B) press button [2].
2. To adjust selected color, press Sand T.
Important: If you select RECALL from the Main Menu when the product is 
set to a Preset Timing Mode, colors  return to the 6500K factory preset.
Information  displays the timing mode (vid eo signal input) coming from the 
graphics card in the computer, the LC D model number, the serial number, and 
the ViewSonic
® website URL. See your graphics card’s user guide for 
instructions on changing the resolution and refresh rate (vertical frequency).
NOTE:  VESA 1920 x 1200 @ 60Hz (recommended) means that the resolution 
is 1920 x 1200 and the refresh rate is 60 Hertz.
 
						

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Control Explanation
Manual Image Adjust  displays the Manual Image Adjust menu.
H./V. Position (Horizontal/Vertical Position)  moves the screen image left or 
right and up or down.
H. Size (Horizontal Size)  adjusts the width of the screen image.
Fine Tune  sharpens the focus by aligning te xt and/or graphics with pixel 
boundaries. NOTE:  Try Auto Image Adjust first.
Sharpness  adjusts the clarity and focus of the screen image.
Dynamic Contrast  allows the user to turn the c ontrast ratio enhancement on or 
off.
Aspect ratio  Selects the image size for 1:1, 4: 3, 16:9, fill aspect ratio & full 
screen.
Display Mode  provides two color space modes. The factory setting for this 
product is PC mode. 
PC mode  sets color space to RGB for PC timing mode.
HD mode  sets color space to YUV for HD timing mode.
 
						

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Control Explanation
Setup Menu displays the menu shown below:
Language  Select allows the user to choose th e language used in the menus and 
control screens.
Resolution Notice  advises the optimal resolution to use.
OSD Position  allows the user to move th e OSD menus and control screens.
OSD Timeout  sets the length of time the OSD screen is displayed. For 
example, with a “15 second” setting, if  a control is not pushed within 15 
seconds, the display screen disappears.
OSD Background  allows the user to turn the OSD background On or Off.
Sleep  Set up the auto power off time for 30/45/60/120 minutes. (Its inactive in 
D-SUB/DVI mode only)
Memory Recall  returns the adjustments back to fa ctory settings if the display is 
operating in a factory Preset Timing Mode listed in the Specifications of this 
manual.
Exception:  This control does not affect ch anges made with the User Color 
control, Language Select or Power Lock setting.
 
						

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Other Information
Specifications
1 Macintosh computers older than G3 require a ViewSonic® Macintosh adapter. To order an adapter, contact
ViewSonic. LCD
Ty p e
Color Filter
Glass Surface 26
” (full 25.5  wide viewable diagonal area),
TFT (Thin Film Transistor), Active Matrix WUXGA LCD,
0.2865 mm pixel pitch
RGB vertical stripe
Anti-Glare
Input Signal Video Sync RGB analog (0.7/1.0 Vp-p, 75 ohms)
HDMI/DVI-D (TMDS digital, 100ohms)
Composite Sync, Separate Sync, Sync on Green
f
h:24-82 kHz, fv:50-75 Hz
Compatibility PC
Macintosh
1Up to 1920 x 1200 Non-interlaced
Power Macintosh up to 1920 x 1200
Resolution Recommended
and supported 1920 x 1200 @ 60 Hz
1680 x 1050 @ 60 Hz
1600 x 1200 @ 60 Hz
1440 x 900 @ 60, 75 Hz
1280 x 1024 @ 60, 75 Hz
1024 x 768 @ 60, 70, 72, 75 Hz
800 x 600 @ 56, 60, 72, 75 Hz
640 x 480 @ 60, 75 Hz
720 x 400 @ 70 Hz
Video Timing 
(HDMI) Recommended
and supported 480i / 480p / 576i / 576p / 720p / 1080i / 1080p
Power Voltage 100-240 VAC, 50-60 Hz (auto switch)
Display area Full Scan 550.08 mm (H) x 343.8 mm (V)
21.66 (H) x 13.54 (V)
Operating
conditions Temperature
Humidity
Altitude 32° F to + 104° F (0° C to + 40° C)
10% to 90%  (non-condensing)
To 10,000 feet
Storage
conditions Temperature
Humidity
Altitude -4° F to + 140° F (-20° C to + 60° C)
10% to 80% (non-condensing)
To 40,000 feet
Dimensions Physical 595.1 mm (W) x 489.55 mm (H) x 252.32 mm (D)
23.43 (W) x 19.27 (H) x 9.93 (D)
Weight Physical 21.83 lb (9.9 kg)
Regulations BSMI, VCCI, CCC, PSB, C-Tick, MIC, CE, TUVdotcom,
Gost-R/Hygienic,  Ukraine, TCO03,  SASO, UL/cUL, FCC-B,
ICES-B, TUV-S/IRAM/UL-AR S Mark, NOM, E
NERGY STA R®
Power saving
modes On
Off 
						

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Troubleshooting
No power
• Make sure power button (or switch) is ON.
• Make sure A/C power cord is secu rely connected to the LCD display.
• Plug another electrical device (l ike a radio) into the power outlet to verify that the outlet is
supplying proper voltage.
Power is ON but no screen image • Make sure the video cable supplied with the  LCD display is tightly secured to the video
output port on the back of the computer. If the  other end of the video cable is not attached
permanently to the LCD display, tightly secure it to the LCD display.
• Adjust brightness and contrast.
• If you are using an Macintosh older th an G3, you need a Macintosh adapter.
Wrong or abnormal colors • If any colors (red, green, or blue) are missi ng, check the video cable to make sure it is
securely connected. Loose or broken pins in the cable conn ector could cause an improper
connection.
• Connect the LCD display to another computer.
• If you have an older graphics card, contact ViewSonic
® for a non-DDC adapter.
Control buttons do not work • Press only one button at a time.
 
						

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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/RegionWebsite T = Telephone
F = FAXEmail
Australia/New Zealand www.viewsonic.com.au AUS= 1800 880 818
NZ= 0800 008 [email protected]
Canada www.viewsonic.com T= 1-866-463-4775 
F= 1-909-468-5814 [email protected]
Europe/Middle East/
Baltic countries/North 
Africa www.viewsoniceurope.com Contact your reseller
Hong Kong www.hk.viewsonic.com T= 852 3102 2900 [email protected]
India www.in.viewsonic.com T= 1800 11 9999 [email protected] 
Korea www.kr.viewsonic.com T= 080  333 [email protected]
Latin America (Argentina) www.viewsonic.com/la/ T= 0800-666-0098
F= [email protected]
Latin America (Brazil) www.viewsonic.com/la/ T= 0800-891-1829
F= [email protected]
Latin America (Chile) www.viewsonic.com/la/ T= 800-440303
F= [email protected]
Latin America (Columbia) www.viewsonic.com/la/ T= 01800-9-156588
F= [email protected]
Latin America (Mexico) www.viewsonic.com/la/ T= 001-866-823-2004
F= [email protected]
Renta y Datos, 29 SUR 721, COL. LA PAZ, 72160  PUEBLA, PUE. Tel: 01.222.891.55.77 CON 10 LINEAS
Electroser, Av Reforma No. 403Gx39 y 41, 97000 Mérida, Yucatán. Tel: 01.999.925.19.16
Other places please refer to http://www. viewsonic.com/la/soporte/index.htm#Mexico
Latin America (Peru) www.viewsonic.com/la/ T= 0800-53311
F= [email protected]
Macau www.hk.viewsonic.com T= 853  700 [email protected]
Puerto Rico & Virgin 
Islands www.viewsonic.com T= 1-800-688-6688 (English)
T= 1-866-379-1304 (Spanish)
F= 1-909-468-1202 [email protected]
[email protected]
Singapore/Malaysia/
Thailand www.ap.viewsonic.com T= 65 6461 6044
[email protected]
South Africa www.viewsoniceurope.com www.vie wsoniceurope.com/uk/Support/Calldesk.htm
United Kingdom www.viewsoniceurope.com
/uk/
www.viewsoniceurope.com/uk/Support/Calldesk.htm
United States www.viewsonic.com T= 1-800-688-6688
F= 1-909-468-1202 [email protected]