Philips Brilliance 4K Ultra HD LED Backlit Monitor 288P6LJEB P-line 28" - 71.1 cm 4K Ultra HD 3840 x 2160 - Manual (Page 49)

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8. Troubleshooting & FAQs
your screen. "Burn-in", "after-imaging",
or "ghost imaging" is a well-known
phenomenon in LCD panel technology.
In most cases, the "burned in" or
"atter-imaging" or "ghost imaging" will
disappear gradually over a period of
time after the power has been switched
off.
Always activate a moving screen saver
program when you leave your monitor
unattended.
Always activate a periodic screen
refresh application if your LCD monitor
will display unchanging static content.
Warning
Failure to activate a screen saver, or a periodic
screen refresh application may result in severe
“burn-in” or “after-image” or “ghost image”
symptoms that will not disappear and cannot be
repaired. The damage mentioned above is not
covered under your warranty.
Q12: Why is my Display not showing
sharp text, and is displaying jagged
characters?
Ans.: Your LCD monitor works best at its
native resolution of 1920 x 1080 @
60 Hz. For best display, please use this
resolution.
Q13: How to unlock/lock my hot key?
Ans.: Please press for 10 seconds
to unlock/lock the hot key, by doing so,
your monitor pops out “Attention” to
show the unlock/lock status as shown
below illustrators.
Attention
Monitor control unlocked
Attention
Monitor control locked
8.4 Multiview FAQs
Q1: Why I cannot activate PiP or PbP
when the sources are DVI and HDMI?
Ans.: Please refer to below table for the main
source and its supporting sub source.
SUB SOURCE
POSSIBILITY (xl)
Inputs VGA DP DVI HDMI
MAIN
SOURCE
(xl)
VGA Ɣ Ɣ Ɣ
DP Ɣ Ɣ Ɣ
DVI Ɣ Ɣ Ɣ
HDMI Ɣ Ɣ Ɣ
Q2: Can I enlarge the PiP sub window ?
Ans.: Yes, there are 3 sizes to select: [Small],
[Middle], [Large]. You can press to
enter OSD menu. Select your preferred
[PiP Size] option from the [PiP / PbP]
main menu.
Q3: How to listen to Audio, independent
of video?
Ans.: Normally the audio source is linked to
the main picture source. If you want to
change audio-source input (for example:
listen to your MP3 player independently
UHJDUGOHVV RI WKH YLGHR VRXUFH LQSXW 
you can press
to enter OSD menu.
Select your preferred [Audio Source]
option from the [Audio] main menu.
Please note that the next time you
turn on your monitor, the monitor will
by default select the audio source you
chose last time. In case you want to
change it again, you need to go through
the above steps to select your new
preferred audio source, which then will
become the “default” mode.
HDMI
DisplayPort
Audio In
Audio