Sony a7S III Instruction Manual page 25

Using the DISP (Display Setting) button
By pressing the DISP (Display Setting) button, you can change the content
displayed on the screen during shooting and playback. The display
switches each time the DISP button is pressed.
Hint
• The monitor can be turned off with the DISP button. Add a check mark
to [Monitor Off] under MENU 
[DISP (Screen Disp) Set]  [Monitor].
During shooting (Monitor)
Display All Info.  No Disp. Info.  Histogram  Level  For viewfinder
 Display All Info.
699 12
M
(Setup)  [Operation Customize] 
GB
GB
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