Canon EOS-1D X Mark III Advanced User's Manual page 831

Number of bracketed shots
The number of shots taken with AEB and white balance bracketing can be changed.
When [Bracketing sequence] is set to [0, -, +], the bracketed shots will be taken as shown
in the following table.
3: 3 shots
2: 2 shots
5: 5 shots
7: 7 shots
1st Shot
3: 3 shots Standard (0)
2: 2 shots Standard (0)
5: 5 shots Standard (0)
7: 7 shots Standard (0)
Note
If [2 shots] is set, you can select the + or – side when setting the AEB range. With
WB bracketing, the second shot is adjusted toward the negative side for the B/A or
M/G direction.
Spot meter. linked to AF pt
You can enable AF point-linked spot metering in <
Center AF point only
Spot metering is always performed at the center of the viewfinder, regardless of the AF
area selection mode or selected AF point.
Linked to active AF point
Spot metering is linked to the manually selected AF point. Note that spot metering is
performed at the center of the viewfinder when the AF area selection mode is Automatic
selection AF, Zone AF, or Large Zone AF.
With an external flash, FE lock linked to a manually selected AF point is available, and
this function can also be used with metered manual flash exposure (
2nd Shot 3rd Shot
–1 +1
±1
–2 –1
–3 –2
831
4th Shot 5th Shot
+1 +2
–1 +1
> metering mode.
(1-stop/step increments)
6th Shot 7th Shot
+2 +3
).