Samsung Series 4 4000 User Manual page 211

Issues
Your settings are lost
after 30 minutes or
every time the TV is
turned off.
You have intermittent
loss of audio or video.
◀
Solutions and Explanations
●
If TV is in the
Store Demo
picture settings every 30 minutes. Please change from
mode to
Store Demo
& Play procedure. Press the SOURCE button to select
TV mode, go to MENU →
ENTERE.
●
Check the cable connections and reconnect them.
●
Loss of audio or video can be caused by using overly
rigid or thick cables. Make sure the cables are flexible
enough for long term use. If mounting the TV to the wall,
we recommend using cables with 90 degree connectors.
English
mode, it will reset audio and
mode using the
Home Use
→
System Plug & Play
Plug
→
▶