32 MaintainingDX-32L221A12/DX-40L260A12
5Press or to highlight a character, then press ENTER.
Repeat this step to enter additional characters. You can enter as
many as 11 characters. If you need to delete a character, then
press and if you want to enter a space, select the blank.
6When you have completed the label, press MENU. The next time
you press INPUT, your label appears in the Input Source list.
7Press EXIT to close the menu.

Restoring settings to the defaults

When you restore default setting s, all the settings you have customized
(except the password and parental rating) are reset.
To restore settings to the defaults:
1Press MENU. The on-screen menu opens.
2Press or to highlight SETTINGS, then press . The SETTINGS
menu opens.
3Press or to highlight Reset to Default, then press ENTER.
A confirmation box opens.
4Press or to select Yes (to reset) or No (to not reset), then
press ENTER.
5Press EXIT to close the menu.
Maintaining
• Do not use your TV in areas that are too hot or too cold, because
the cabinet may warp or the screen may malfunction. Your TV
works best in temperatures that are comfortable to you.
• Storage temperatures are 32° to 122°F (0° to 50°C).
• Working temperatures are 41° to 104°F (5°to40°C).
• Do not place your TV in direct sunlight or near a heat source.

Cleaning the TV cabinet

Clean the cabinet with a soft, lint-free cloth. If the cabinet is especially
dirty, moisten a soft, lint-free cloth in a weak detergent solution,
squeeze the excess moisture from the cloth, then wipe the screen or
cabinet with the cloth. Use a clean cloth to dry the screen or cabinet.

Cleaning the TV screen

Clean the screen with a soft, lint-free cloth.

Upgrading the firmware

To upgrade the firmware:
• Plug a USB flash drive into the SERVICE PORT on the side of your
TV.
Menu Exit
Picture Mode
Backlight
Sharpness
Tint
Color
Brightness
Contrast
Energy Savings
+10
43
0
58
50
50
Move Select Back Exit
Adjust settings to aect picture quality
PICTURE AUDIO SETTINGS CHANNELS
Menu Exit
Parental Controls
Component Settings
Computer Settings
Input Labels
Menu Settings
Time
Closed Caption
Move Select Back Exit
Set various TV options
PICTURE AUDIO SETTINGS CHANNELS
Caution
Do not remove the USB flash drive or turn off the TV
while using the USB flash drive. You may lose data or
damage the USB flash drive.
Notes
The USB flash drive is only for firmware upgrading.
Side of TV
USB flash
drive
DX-32L221A12-DX-40L260A12_11-0101_MAN.book Page 32 Monday, April 18, 2011 1:22 PM