LG CloudDevice 38CK950N Owner's Manual page 23

[Input]
[Settings] > [Input]
[Main Input List] Selects the input mode.
Adjusts the aspect ratio of the screen.
[Full Wide]
[Original]
[1:1]
[Cinema 1]
[Aspect Ratio]
[Cinema 2]
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[PBP] Displays the screens of two input modes on one monitor.
[Main/Sub Screen Change] Toggles between the main screen and sub screen in [PBP] mode.
[Main/Sub Sound Change] Toggles between the audio of the main screen and sub screen in [PBP] mode.
22
Displays the video in widescreen, regardless of the video signal input.
Displays video according to the aspect ratio of the video signal input.
The aspect ratio is not adjusted from the original.
Enlarges the screen with an aspect ratio of 21:9.
Enlarges the screen with an aspect ratio of 21:9, including the black box at the bottom for subtitles.
NOTE
The display may look the same for [Full Wide], [Original], and [1:1] options at the recommended resolution (3840 x 1600).
There is no [1:1], [Cinema 1], [Cinema 2] menu on [FreeSync] Mode.
( Go to [Picture] [Game Adjust] [FreeSync], to set [FreeSync] [On] or [Off])
Description