Westinghouse LD-4255 Series Tv Users Manual

SETUP MENUS
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OSD Timeout
Use OSD Timeout to adjust the OSD duration on the screen: 10 sec, 20 sec, or 30 
sec.
Adjusting OSD Timeout
1  Use the  /  keys to select OSD Timeout and press  .
2  Press the  /  keys on the remote control to select 10 sec, 20 sec, or 30 
sec.
3  Press  to save and exit the screen.
OSD Language
Use OSD Language to select the language to display on the screen: English, 
French, or Spanish.
Adjusting OSD Language
1  Use the  /  keys to select OSD Language and press  .
2...

SETUP MENUS
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Power Settings
Use this sub-menu to configure power-related settings for the LED TV.
The following options are available:
•VGA port -DPMS: Use this setting to enable or disable VGA port -DPMS. 
• Backlight: Use this setting to select the backlight mode: Bright Room, 
Medium Room, or Dark Room.
• Dynamic Contrast: Use this setting to enable or disable Dynamic Contrast.
Adjusting Power Settings
1  Use the  /  keys to select Power Settings and press  .
2  Use the  /  keys to select a...

SETUP MENUS
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Version
Use this sub-menu to view the LED TV’s serial number and firmware version.
Version
en 

WALL MOUNT OPTION
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WALL MOUNT OPTION
The LED TV has been fitted with VESA FPMPMI compliant mounting holes. These 
200 x 200 mm mounting holes allow the unit to be mounted on a wall. Use the four 
M6 x 18 mm screws to wall mount the LED TV.
WALL MOUNT INSTALLATION REMINDERS
• Remove the LED TV base first  before mounting the unit on a wall.
• To fix the AC to DC adapter to the LED TV:
1. Carefully place the LED TV face down on a soft and flat surface (blanket, foam, cloth, etc) to  prevent any...

TROUBLESHOOTING
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TROUBLESHOOTING
ProblemCorrective Action
No power
• Make sure the power indicator is illuminated 
blue.
• Make sure the power cord is securely 
connected to the AC-in jack and is plugged 
into a functional AC outlet. You may want to 
plug in another electrical device to the power 
outlet to verify that it is supplying the proper 
voltage.
Power is suddenly 
turned off.Make sure the sleep timer is turned off.
Forgotten PINUse Reset All in Settings menu to reset your 
password....

TROUBLESHOOTING
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No picture or the No
Signal message 
appears when a 
VGA cable is 
connected.
• Make sure the VGA cable is properly 
connected to the LED TV’s VGA port.
• Decrease the video resolution setting on the 
computer and try again.
• Adjust the display settings.
Picture is cut off or 
appear in a sidebar 
screen.
Press  to adjust the Aspect ratio.
Poor image quality 
in TV mode (cutoff 
picture, snowy 
images).
• Check your antenna connection. If necessary, 
rotate the antenna and...

TROUBLESHOOTING
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No sound
• Make sure the audio input cable is properly 
connected to the correct terminal, and that the 
correct input mode is enabled.
• The volume may be muted, press or Vol+ key 
to turn on the volume.
• Adjust the Bass, Treble, and Balance settings 
in Audio menu.
• If you are using the TV speakers, make sure 
the TV Speakers option is set to On in Audio 
menu.
• If you are using an external audio device, 
press and select Audio to make sure the TV 
Speakers option is set...

SPECIFICATIONS
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SPECIFICATIONS
ItemSpecification
Model NameLD-425 Series
Panel
Active Area 
(Diagonal, mm)930.24 (H) x 523.26 (V)
Resolution1920 (H) x 1080 (V)
Brightness 
(Nits, typ)250
Contrast Ratio 
(min)5000:1
Response Time 
(min)6.5ms(g-g)
Aspect Ratio1.77 (16:9)
Display color16.7M
Audio/Video 
Input/Output 
Terminals
•HDMI x2
• AV with R/L Audio x1
• VGA with 3.5 mm mini jack x1
• SPDIF Out x1
• USB for service x1
• Tuner x1
• R/L Audio Line Out X1
Speaker Out10W (2 channels)
AV  Ti m i...

SPECIFICATIONS
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Physical 
Specifications
Dimensions 
(WxHxD)
With stand:
1016 x 683 x 221 mm
40.0 x 26.9 x 8.7 inch
Without stand:
1016 x 650 x 42.5 mm
40.0 x 25.6 x 1.7 inch
Weight (Net)13.54 kg
Weight (Gross)17.65 kg
NOTES:
• These product specifications are subject to change without user 
notification.
• Do not set your computer graphics card to exceed the unit’s refresh 
rates; doing so may cause damage to the LED TV.
ItemSpecification