Canon EOS-1D Mark II N Manuel D'Instructions

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97
q
Selecting a Metering Mode
 
You can take up to eight spot meter readings for one picture. If you press 
the <
I
> button to try and take a ninth spot meter reading, no spot 
meter reading will register. 
 
The exposure setting obtained with multi-spot meter readings will be 
canceled in the following cases:
(1) After taking the last spot meter reading, 16 seconds elapse. 
(2) You press the <
Q
>, <
W
>, or <
E
> button. 
(3) After taking the picture, you let go of the shutter button. 
 
Multi-spot metering can be fixed at the center or linked to the active AF 
point.