Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 538)

538
<
B
> Button Display Options
You can select the information displayed on the screen in response to
pressing the <
B
> button when the camera is ready to shoot.
1 Select [ 5 : B button display
options].
2 Select an item.

Select the desired display option, then
add a checkmark [ X ] .

Select [OK] .
Electronic Level Display
The red line turns green when the image is essentially straight.
Horizontal
o There may be a margin of error of approx. ±1°.
o
If the camera is very tilted, the electronic level’s margin of error will be larger.
o
The electronic level is not displayed in Live View shooting when the AF
method is set to [
u
+Tracking] .
o
For [Quick Control screen] , see = 622.