Eye-Controlled Focus (Ecf) Adjustment - Canon EOS 55 Service Manual

Part 3: Repair Information
4.16
EYE-CONTROLLED Focus (ECF) ADJUSTMENT
Eye-controlled Focus Adjustment is necessary when replacing the main flex.
PuRPosE:
To adjust the Eye-controlled Focus IREDs and BASIS sensor as follows:
Dark Adjustment: Adjust the BASIS dark current.
IRED Current: To set the output of the IREDs.
Optical Axis Compensation: To compensate electronically for slight differ-
ence in component positions.
Image Magnification Compensation: as above.
IRED Position Compensation :
TOOLS:
Personal computer
RS-232C cable
HS-I/F
as above.
Adjustment program (stored on a work disk)
Dark Bag
IRED Alignment Tool (CY9- l 106)
Mask Holder (CY9-1097) (Two if possible) (established for EOS5 / A2E)
CCD Adjustment Gray Card (19%) for Mask Holder (see EOS 5 / A2E SM, page 3-7)
PREPARATION:
Start adjustment program, connect the camera to the personal computer, and select
F6 Eye-controlled Focus Adjustment.
Al>JuSTMENT:
1) As indicated on the screen, place the
camera in the dark bag and press
Return. The adjustment is automatic.
3-66
NACl
ECF Adjustment
I
Place camera in the dark bag.
After setting, press RETURN.
Press SPACE bar to return to MAIN MENU screen.