Canon EOS-1D Mark IV - Manual (Page 229)

Custom Function Settings
C.Fn IV -4 Assign SET button
You can assign a frequently-used function to <©>. Press <©> when the
camera is shooting-ready.
0: Normal (disabled)
1: White balance
While looking at the rear LCD panel, you can change the white balance.
2: Image size
While looking at the rear LCD panel, you can change the card and
image size.
3; ISO speed
While looking at the top LCD panel or in the viewfinder, you can change
the ISO speed.
4: Picture Style
The Picture Style screen will appear.
5: Record func. + media/folder
The [V Record func+media/folder sel.] menu will appear.
6; Menu display
Assigns the same function as the < M E N U > button.
7: Image playback
Assigns the same function as the <[Z]> button.
0 If the camera has been set to enable Live View shooting (p.126) or movie
shooting (p.142), the Live View or movie shooting will override all of the
above settings 1 to 7.
C.Fn IV -5 Tv/Av setting for Manual exposure
0
: Tv=£S/Av=0
1:Tv=0/Av=iS
Convenient when you use studio flash and frequently change the
aperture.
Also, when you use AEB in the manual exposure mode, the shutter
speed can stay fixed while only the aperture is shifted for AEB. The
shutter speed can also be set by pressing the <H> button and turning
the <fS/0> dial.
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