Sony a7SIII Help Manual page 278

Help Guide
Interchangeable Lens Digital Camera
ILCE-7SM3
α7SIII
Grid Line Display (still image/movie)
Sets whether the grid line is displayed or not during shooting. The grid line will help you to adjust the composition of
images.
MENU → (Shooting) → [Shooting Display] → [
1
Menu item details
On:
Displays the grid line.
Off:
Does not display the grid line.
Hint
If you assign [Grid Line Display Select] to a desired key using [
show or hide the grid lines by pressing the assigned key.
Related Topic
Grid Line Type (still image/movie)
Assigning frequently used functions to buttons (Custom Key Setting)
Grid Line Display] → desired setting.
Custom Key Setting] or [
5-021-326-11(1) Copyright 2020 Sony Corporation
278
Custom Key Setting], you can