Philips 439P1 42.5" 4K HDR USB Type-C Docking Monitor - Manual (Page 38)

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10. Troubleshooting & FAQs
10.3 Multiview FAQs
Q1: 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
regardless of the video source
input), 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 Display, the
Display 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.
Q2: Why the sub-windows flickers
when I enable PBP.
Ans: It’s because the sub-windows
video source is interlace timing(
i-timing), please change sub-
window signal source to be
progressive timing( P-timing).