Canon EOS-1V HS Instructions Manual page 103

When both C.Fn-4 and C.Fn-7 are set, electronic manual focusing will be
enabled or disabled as follows:
Custom Function No.
C.Fn-7
* Before focus is achieved/After focus is achieved
O: Enabled
X: Disabled
C.Fn-8 Frame counter sequence
The frame counter can count down to show the remaining number of
frames, or it can be displayed in the viewfinder in the same way as with the
EOS-1N.
C.Fn Function
Frame counter
C.Fn-8
sequence
C.Fn-8-1: You can see how many frames are left in the roll. The frame
counter in the viewfinder also counts down. The ◆ icon will be
displayed on the left of the frame counter on the LCD panel and
in the viewfinder.
C.Fn-8-2: The frame counter in the viewfinder will be displayed in the
same way as with the EOS-1N. When the remaining number
of frames is 10 or more, "F" is displayed. When it is 9 or less, a
count down is displayed.
Setting 0, 2
0 X / O
1 X / X
2 X / X
No.
0
1
2
Custom Function Settings
C.Fn-4
1, 3
O / O
O / X
X / X
Description
Counts up
Counts down
F or 9 - 0 displayed by frame counter
in viewfinder (same as with EOS-1N).
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