Canon C12-8453, Service Manual

Page: 187 / 271

2) After the communication, the screen
on the right appears. Set the camera
and EF 8000, 5000 to EV9. Then
press Return.
3) After the communication, the screen
on the right appears. Attach a 19%
reflector to the mask holder and press
Return.
4) After the communication, the screen
on the right appears. Attach the IRED
positioning tool and set the EF8000
or 5000 to EV15. Then press Return.
5) After the communication, the screen
on the right appears. Remove the
IRED positioning tool from the EF
8000, 5000 and cover it with a dark
cloth. (Since the IRED positioning tool
has tiny holes, light may leak through
them and affect the adjustment data.)
6) After all the steps are completed, the
ECF sensor adjustment will be
completed.
Part 4: Electrical Adjustment
4-39
NAC2
ECF Adjustment
BASIS Gain
Attach the Mask Holder to the eyepice
and set the light souce to LV9
(Remove the diffusing plate from the Mask Holder)
After setting, press RETURN
Press SPACE bar to return to ECF menu.
NAC3
ECF Adjustment
IRED Current
Attach the CCD Adjustment Gray Card(19%) to
the Mask Holder and set it to the camera.
(The ECF sensor reads IRED refrection)
After setting, press RETURN
Press SPACE bar to return to ECF menu.
NAC4
ECF Adjustment
Optical Axis Compensation
Image Magnification Compensation
Attach the IRED positioning Tool to the eyepiece
and set the light source to LV12.
(The light passes the small holes on IRED positioning
tool, Measure the position of the holes)
After setting, press RETURN
Press SPACE bar to return to ECF menu.
NAC5
ECF Adjustment
IRED Position Compensation
Attach the IRED positioning Tool to the eyepiece
and shield it from the light.
(Put the light to the false eye of IRED positioning
tool and read the refrection)
After setting, press RETURN
Press SPACE bar to return to ECF menu.