ViewSonic N4790p Users Guide

							Using the TV Features
Storing Channels into Memory
1. Press the MENUbutton to display the OSD 
main menu. 
2. Press 
x or
z to select the “Setup” menu. 
Press
x or 
z to select “Tuning Band, and use 

y to select the antenna connection to “Air” or 
“Cable”.
Air: “Air” antenna signal programs 
Cable: “Cable” antenna signal programs 
3. Press 
x or 
z to select “Auto Ch Search”, then 
press
y to perform Auto Ch Search function. 
To stop scanning, press MENUat any time. 
4.  The Auto Scan screen will be shown, and after it 
is done, the screen will return to the first found 
channel.
Viewing the Menus
1. Press the MENUbutton to display the OSD 
main menu. There are Four top menus on the 
screen: Setup, Video, Audio, and Feature. 
2. Press 
xor
z to select your desired top menu. 
3. Press ENTER or
y to enter the menu you 
select.
4. Use 
x
z to select the control you want to adjust. 
5.  When selecting the control with 
y, press 
y to 
enter next level menu or enable the function. 
6. Press 
{
y to adjust or select the settings. 
7.
PressMENUto exit from the OSD menu.
Adding a channel label 
1. Press MENU. The OSD menu opens with Setup 
highlighted. 
2.  Press to enter the sub-menu, then press or to 
highlight “Channel Labels”. The Channel Label 
menu opens. 
3.  Press or to move the cursor to the channel field, 
then press or to select a channel. 
4.  Press or to move the cursor to the label field, 
then press or to select the character. 
5. Press MENU to return to the previous menu. 
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							Using the TV Features
Setting the clock
1. Press MENU. The OSD menu opens with 
“Setup” highlighted. 
2.  Press or repeatedly to highlight “Feature”. The 
Feature menu opens. 
3. Press 
y to enter the sub-menu, then press 

xor
z to highlight “Time Set”. The Time Set 
menu opens. 
4. Press 
xor
z move to the different fields, then 
press
{or
y to change the settings. 
5. Press MENU to close the menu. 
Setting parental controls
Your TV has a V-chip that lets you control the type 
of programs your children can watch. Parental 
controls include two ratings: MPAA (based on age) 
and TV Parental Guidelines (based on content and 
age). A TV program may have an MPAA or TV 
Parental Guidelines rating, so you should set 
controls for both ratings. Before you can select 
ratings, you need to set up a parental controls 
password.
To set up a password: 
1.PressMENU. The OSD menu opens with Setup 
highlighted. 
2.Press
xor
z repeatedly to highlight “Feature”. 
The Feature menu opens. 
3.Press
y to enter the sub-menu, then press 

xor
zto highlight Password Set. 
4.Press the number buttons to enter the old 
password. If you have not set a password, enter 
0000. Press ENTER to continue. 
5.Press the number buttons to enter a new 
password. Press ENTER to continue. 
6.Press the number buttons to enter the new 
password again, to confirm. Press ENTER to 
continue.
*If you forget your password, enter 3448 for the old 
password, then enter a new password. This password 
always remains valid for resetting your password. 
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							Using the TV Features
Setting the Parental Control level 
1.PressMENU. The OSD menu opens with Setup 
highlighted. 
2.Press
xor
z repeatedly to highlight “Feature”. 
The Feature menu opens. 
3.Press
y to enter the sub-menu, then press 

xor
z to highlight “Parental Control”.   
The Password screen opens. 
4.Press the number buttons to enter the password. 
PressENTER to continue. The “Parental Control” 
Menu opens. 
5.Press
xor
z to select USA Parental Locks or 
Canadian Parental Locks, then press ENTER.
The lock menu that you have selected opens. 
6.Press
{or
y,
xor
z to move to a rating, then 
pressENTER to select the rating. When you 
block a rating, that rating and all higher ratings 
are blocked. 
7.PressMENU to close the menu. 
American MPAA ratings         
RatingDescription
NONE Not rated. 
G General audiences.
PG Parental guidance 
suggested. Some material 
may not be suitable for 
children.
PG-13  Parental guidance strongly 
suggested. Some material 
may not be suitable for 
children under 13 years of 
age.
R Restricted Not suitable for 
children under 17 years of 
age unless accompanied 
by a parent or guardian. 
NC-17  Not suitable for children 
under 17 years of age. 
X Adults only. 
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							Using the TV Features
Canadian MPAA ratings 
Rating Description 
C Children. 
C8+  Children 8 years and 
above.
G General audience.
PG Parental guidance 
suggested.
14+  14 years old and above.
18+ Adult programming. 
TV Parental Guidelines ratings 
Rating Description 
NONE Not rated. 
TV-Y All children. 
TV-Y7  Children over seven 
years.
TV-G General audiences. 
TV-PG Parental guidance 
suggested.
TV-14 Parents strongly 
cautioned. 
TV-MA  Mature audiences only. 
Some of the age-based TV Parental Guidelines 
ratings also have content-based ratings. 
Rating Description 
FV Fantasy violence 
L Adult language. 
S Sexual situations.
V Violence 
D Sexually suggestive
dialog.
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							Other Information
Cleaning the LCD TV
•    Make sure the LCD TV 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 LCD TV 
screen or case. Some chemical cleaners have been reported to damage the screen and/or case of 
the LCD TV. ViewSonic will not be liable for damage resulting from use of any ammonia or alcohol-
based cleaners 
Programming your Cable or Satellite Box remote 
Refer the user manual from your service provider to determine the setting. 
If the requires : ‘ 
z  3 digits, please try “566”, “565”, “556” or “688”. It usually works with DISHNetwork. 
z  4 digits, please try “0054”, It usually works with Cox. 
z  5 digits, please try “11454”, 11054”, or 10690”. It usually works with DIRECTV. 
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							Other information
Troubles Shooting 
Please contact ViewSonic service team directly if you have questions, service 
needs, or require technical assistance related on the use of your television. 
Contact ViewSonic Service Team at: 
 http://www.ViewSonic.com/support/  
Or call our service team: 
United States  1-800-688-6688 
Canada 1-866-463-4775 
ProblemPossibleSolution 
No powerz  Make sure the power cord is properly connected LCD 
TV AC power socket. 
z  Make sure the AC power cord is properly connected to 
the wall outlet. 
z  Make sure the DC power button is ON (Blue LED)   
z  Plug another electrical device (like a radio) to the 
power outlet to verify that the outlet is supplying the 
proper voltage. 
No picture z  The TV station may be experiencing problems. Try 
another channel. 
z  The Cable TV signal may be scrambled or encoded. 
Please contact your local cable operator. 
z  Make sure that connection to other components are 
correct referring to the user guide. 
z  Make sure that setup has been done correctly 
after connections. 
z  Make sure the correct input is selected and the input 
signal is compatible. 
Strange Color, light 
color, or color 
misalignmentz  Ensure that the video cable is securely connected. 
z  The picture may appear dim in a brightly lit room. 
z  Adjust brightness, contrast, saturation (color), and tint 
referring to the user guide. 
z  Check the input signal setting. 
No sound z  Check your audio connections are properly connected 
referring to the user guide. 
z  The MUTE button may have been pressed, try 
pressing this button again. 
z  Check your audio settings, your TV audio may be set 
to minimum. 
z  Press the Volume + (Up) button on the remote control. 
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							Other information
ProblemPossibleSolution 
Remote control unit 
does not operatez  Make sure the directions of batteries are inserted 
correctly referring to the user guide. 
z  Batteries could be weak or dead. Replace by new 
batteries.
z  Is a fluorescent light illuminated near the remote 
control sensor? 
z The path of the remote control beam may be 
blocked. Make sure the path is clear and that the 
remote control is aimed at the remote control sensor 
on the TV. 
z  Press the POWER button on the remote control to see 
if you can turn on the TV. 
z  Press MENU button on the remote control to see if 
there is a MENU shown on the screen. 
z  Press only one button at a time and it is the correct one 
for the operation you want to perform. 
Unit cannot be 
operatedz  External influences such as lightning or static 
electricity may cause improper operation. In this case, 
operate the unit after first turning on the power of the 
LCD TV and the AVC System, or unplug the AC cord 
for 1 to 2 minutes, then replug again. 
Power is cut off 
suddenly z  Is the sleep timer set in advance?. 
z  Is there no signal in PC mode or HDMI mode? 
z  The internal temperature of the unit has increased. 
Remove any objects blocking the vent or clean as 
necessary.
No CATV reception (or 
no reception above 
CH13)z  Is the AIR/CABLE option set correctly? Please set the 
AIR/ CABLE option to CABLE referring to the user 
guide.
z  CATV is connected improperly or not connected; 
please check all the CATV connections. 
z  The cable TV service is interrupted; please contact 
your cable operator. 
Picture is cut off / with 
sidebar screen   z  Is the image positioned correctly? 
z  Are screen mode adjustments such as picture size set 
correctly?
z  Press WIDE button repeatedly on the remote control to 
see if you can get the picture you prefer. 
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							Other information
Specifications
Model  N4290p N4790p
LCDTy p e
42.02” TFT Active Matrix RGB 
0.1615(H)x0.4845(V) mm pixel 47.0” TFT Active Matrix RGB 
0.5415(H)x0.1805(V) mm pixel 
Color Filter 
Glass surface RGB vertical stripe 
Anti-Glare 
Input signal 
RGBRGB analog (0.7/1.0 Vp-p, 75 ohms)     
Separate Sync, fh
: 30-80 kHz, fv
:50-75 Hz 
RFTV system Antenna / NTSC+ATSC, TV cable system / 
CATV+Digital cable
Video
2 composite RCA, 2 S-Video, 
2 YPbPr component, 3 HDMI 
Audio
1 mini-stereo, 
5 pairs of RCA (L/R) stereo 
Compatibility PC Up to 1920 x 1080 @ 60 Hz, VGA mode 
Resolution Recommended 
and supported 
(VGA mode) 1920 x 1080 @ 60 Hz 
1280 x 1024 @ 60 Hz 
1024 x 768 @ 60, 75 Hz 
832 x 624 @ 75 Hz. 
800 x 600 @ 60, 75 Hz 
640 x 480 @ 60, 75 Hz 
720 x 400 @ 70 Hz 
Speaker 
Output10W x 2 @ THD=10% 
Audio Output1 Headphone jack 
1 pair of RCA (L/R) stereo 
1 SPDIF 
PowerVoltage
100-240 VAC, 50/60 Hz (auto switch) 
Display areaFull Scan
930.24(H) x 523.26 (V) mm 
36.6” (H) x 20.6” (V) 1039.68(H) x 584.82(V) mm 
40.9” (H) x 23.0” (V) 
Operating 
conditionsTemperature 
Humanity 
Altitude32°F to + 104°F ( 0°C to + 40°C) 
20% to 65% (no condensation)   
To 10,000 feet (3,000m) 
Storage 
conditionsTemperature 
Humanity 
Altitude-4°F to + 140°F (-20°C to + 60°C) 
10% to 90% (no condensation) 
To 40,000 feet (12,000m) 
Dimensions 
Physical
(W)x(H)x(D) 1010 x 688 x 265 mm 
39.8’’ x 27.1’’ x 10.4’’ 1125 x 768 x 316 mm 
44.3’’ x 30.2’’ x 12.4’’ 
Weight Net
21.0 kg (46.3 lb)                              26.7 kg (58.9 lb) 
Regulations 
UL/cUL, FCC-B (Doc-B), BETS-7 
Power 
consumption r On
Stand by< 250 W (blue LED)   
< 1 W (red LED) < 300 W (blue LED)   
< 1 W (red LED) 
Warning: Do not set the graphics card in your computer to exceed these refresh rates; doing so may 
result in permanent damage to the LCD TV. 
Note: Product Specifications are subject to change without notice. 
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							Other information
Limited Warranty
VIEWSONIC®LCD TVWhat 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:
ViewSonic LCD TV are warranted for one (1) year for all parts excluding the light source and one (1) year for labor from the date of 
the first customer 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.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.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, and set-up service charges. 
5.When you mount it on the wall, the following must be noticed: 
a.The accessories attached with this product are applicable for this product only. 
b.When the product is mounted on the wall, holes and fixed screws will remain in the wall body. 
c.Wall face may discolor when this product has been mounted on the wall for a long time. 
How to get service:
1.For information about receiving service under warranty, contact ViewSonic Customer Support. You will need to provide your 
product’s serial number. 
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 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. 
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. 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 providedcan be found in www.viewsoniceurope.com under Support/Warranty
Information.. 
4.3 :ViewSonic LCD TV Warranty                                                              LTV LW01 Rev 1C 06-25-07 
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							Other information
Mexico Limited Warranty
VIEWSONIC®LCD TV
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 TVs are warranted for 1 year for all parts excluding the light source and 1 year for labor from the date of the first
customer 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. 
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, insurance, and set-up service charges. 
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:     
Document Number:   
Purchase Date:     
Model Number:   
Serial Number:     
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 otherwise. 
3.Any claim against the customer by any other party. 
4.
Repair or attempted repair by anyone not authorized by ViewSonic.
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