Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 291)

4.
Select [Pre-shooting].
5.
Set an option.
[ Enable ]: Shooting begins slightly before (up to approx. 0.5 sec.
before) you press the shutter button completely, after you momentarily
press it halfway. [
] is displayed when you shoot.
[ Disable ]: Shooting begins when you press the shutter button
completely. [ ] is displayed when you shoot.
6.
Shoot.
An on-screen indicator shows buffer status. The color varies by status.
The indicator is green during shooting, red if recording is not possible
because the buffer is full, and white otherwise.
Pressing the shutter button completely shoots continuously until the
buffer is full or you release the button.
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