Canon C12-8453, Service Manual

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1.10 E
XPOSURE
P
ROGRAM
R
EWRITING
P
URPOSE
:
As with the EOS-3 and EOS-1V, the EOS-7 has compensation data for each maximum
aperture. It can make finer compensation adjustments.
T
OOLS
:
EF-8000, 5000
EF 50mm f/1.8 lens, user's lens or EF 28-135mm f/3.5-5.6 IS lens
P
REPARATIONS
:
1) On the AE Adjustment menu, select [F4] Exposure Program Rewrite.
2) Attach an EF 50mm f/1.8 lens to the camera, and set the camera to Av-priority and
the aperture to f/8.0. Set the lens to manual-focus infinity and measure the
exposure level of each brightness.
3) Next, attach the user's lens or an EF 28-135mm f/3.5-5.6 IS lens to the camera. Do
the same measurement as in step 2 (Av-priority and f/8.0).
Part 4: Electrical Adjustment
4-17
• Before rewriting the exposure program, execute the basic AE Adjustments.
For normal servicing, select “Normal (0).” Or set the compensation amount
(+ or -) according to the user’s preference. (Initialization will set it to
“Normal [0].”)
CAUTION