Philips 20PT9007D-17 - Manual (Page 30)

WARNING Concerning stationary images on the TV Screen:
Do not leave stationary or letterbox images on screen for
extended periods of time. This can cause uneven picture-tube
CLEANING AND CARE
Normal use of the TV should involve the showing of pictures
that contain constantly moving and changing images that fill the
screen. Be careful no
t to leave nonmoving images on screen
for extended periods of time, or to display the same images
on screen too frequently, because subtle ghost images can be
left on the screen. Sources of stationary images may be DVD
disks, laser disks, video games, cd-i disks, videotapes, digital
television boxes, br
oadcast channels, cable channels, satellite
channels, and others. Here are so
me examples of stationary
images (this is not an all-inclusive list; you may encoun ter
others in your viewing):
DVD menus listings of DVD disk content.
Letterbox black bars shown at the top and bottom of the
TV screen when a wide screen (16:9) movie is viewed on a
TV with standard (4:3) aspect ratio.
Video-game images and scoreboards.
Television station logos present a problem if they are
bright and stationary; moving or low-contrast graphics are
less likely to cause uneven aging of the picture tube.
Stock-market tickers presented at the bottom of the TV
screen.
Shopping channel logos and pricing displays bright and
shown constantly or repeatedly in the same location on the
TV screen.
Placement of the TV
To avoid cabinet warping, cabinet color changes, and
increased chance of set failure, do not place the TV where
temperatures can become excessively hot, for example, in
direct sunlight or near a heating appliance.
Be sure to allow a free flow of air to and from the perfo-
rated back cover of the set.
Cleaning
To avoid possible shock hazard, unplug the TV from the
Electrical outlet before cleaning.
Regularly dust the TV with a dry, nonscratching duster to
keep the TV clean.
When cleaning the TV , take care not to scratch or damage
the screen surface. Avoid using anything abrasive. Do not
use household cleaners. Wipe the front screen with a
clean cloth dampened with water. Use even, easy, vertical
strokes when cleaning.
Gently wipe the cabinet surfaces with a clean cloth or
sponge dampened in a solution of cool, clear water and a
mild soap or detergent. Use a clean, dry cloth to dry the
wiped surfaces.
Occasionally vacuum the ventilation holes or slots in the
back cover of the set.
Never use thinners, insecticide sprays, or other chemicals on
or near the cabinet, as they might cause permanent damage
of the cabinet finish.
30
aging.