Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 207)

2.
Select [Auto detecting].
3.
Select [OK].
It may improve HF flicker detection accuracy to magnify, as much as
possible, any areas affected by banding.
4.
Switch to the indicated shutter speed.
Select [ Yes ] to switch to the indicated shutter speed.
Selecting [ Yes (move to Tv settings) ] will display the [ Manual setting ]
screen. Go to step 2 in Manual Setting .
5.
Take the picture.
207