Oled Screen Care; Picture - Philips 55OLED873/79 User Manual

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digital channels available.
• Check if you selected the correct DVB (Digital Video
Broadcast) system.
• Redo the installation and check if you select the
correct country.
No analogue channels found during the installation
• Check if the TV was connected with an antenna.
Check the cable connections.
• Check if you selected the correct DVB (Digital Video
Broadcast) system. Select DVB-T (terrestrial) when
you use an antenna or common antenna.
• Redo the installation and select Digital and
analogue channels during the installation.
Some channels disappeared, cannot find all or some
previously installed channels
• Check if you selected the correct Channel
list or Favourites list you normally use.
• Some channels might be moved or even deleted by
the broadcaster. In the normal channels list, try to
search for the channel you're missing. If the channel is
still available, you can put it back in the favourites
list.
• A channel can be deleted from the channel
list during Automatic channel update. These
automatic updates are done overnight if the TV is on
standby.
Channels that do not exist anymore are deleted and
new channels will be added to the channel list.
Exceptionally, a channel can be deleted because the
TV could not find it while checking for its presence. It
might not broadcast at night.
To avoid channels being deleted during
the Automatic channel update because the TV
could not find them although these channels are still
there, you can switch off Automatic channel update.
 (Home) > Settings > All Settings > Channels >
Antenna/cable installlation > Automatic channel
update
DVB-T2 HEVC channel
• See the technical specifications to make sure that
your TV supports DVB-T2 HEVC in your country and
reinstall DVB-T channel.
18.5

OLED Screen Care

TV Display refreshing
To protect the screen, OLED TV need refreshing
process over time.
There are 2 types of refreshing process:
• Normal refreshing: This will take place automatically
and it takes about 10 minutes with TV in standby
mode.
• Deep refreshing: This will take about 80 minutes and
need to be triggered by consumer. During the
process, a white color horizontal line will appear on
screen for a while.
To allow OLED TV to perform refreshing properly,
please adhere to the following:
• For normal refreshing process to take place
automatically, always use remote control to switch off
TV and keep the TV power plugged.
• When normal refreshing message is shown on TV
screen, follow the onscreen recommended
instructions.
• For deep refreshing process, trigger this option via
All settings > Picture > Expert mode settings > Clear
residual image and use remote control to switch off
TV and keep the TV power plugged for at least 80
minutes.
• Do not touch or apply pressure on TV screen during
the refreshing process.
Special Care for OLED TV
Organic LED (OLED) may experience on-screen
image retention (due to the characteristics of the
material), when an image is continuously displayed
for a long period of time or the same image is
repeatedly displayed. So it is strongly recommended
to follow the instructions to take care of OLED TV:
• Do not display any still image continuously or
display the same image for more than 10 minutes.
• Recommend to use Standard or HDR Standard as
picture style in normal home viewing condition.
• Recommend to use OLED Contrast setting 50 or
below in picture settings when playing Game or
watching TV programs with logos or clocks on any
parts of the screen.
• Switch off On Screen Display (e.g. the home menus)
of TV application program when not used.
• Switch off On Screen Display from connected
external video devices (e.g. DVD player). For details,
refer to the instruction manuals for the connected
devices.
• Avoid displaying video with bright colors (including
white), text, clocks or logos on any parts of the screen
for a long time.
• Use Wide screen or Fill screen as picture format
option (see TV picture settings).
• Always watch video in full screen instead of a small
window on TV screen. (e.g. video in internet browser
page)
Philips TV is equipped with the following to take care
of OLED screen:
• Pixel shift
Constantly shift pixels position over time to reduce
pixel stress.
• Automatic refreshing process
Perform screen refreshing process when necessary.
• Automatic screen brightness control
Gradually reduce the screen brightness when still
image is displayed for a long time.
• Screen Saver
Display screen saver when still image is displayed on
screen over a longer period of time.
49

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