Canon CXDI-50C, Service Manual

Page: 43 / 195

2. Installation Manual
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5.5 Setting the Fixed ROI Areas
1) Purpose
Set the fixed ROI area on the sensor to expose by the fixed ROI area because user can
not get the proper image by the Auto ROI area.
2) Setting method
2-1) Investigate the actual size and position of the ROI that is required.
2-2) Designate the SIZE, POSITION, and NUMBER (max 5)* on the sensor.
* However, in the case of using the new function “Display of AEC (Automated Exposure Control)
Field in Preview Screen” added from CXDI System Software Ver.6.2, NUMBER that can be
specified is max 3.
Ws=350mm
H
s=
430mm
(0,0)
W
H
Sensor
X
Y
2-3) Convert the size and position of the ROIs in 2) to pixel values. The pixel size of the
sensor is 160µm. For multiple values, use X’, Y’, W’, H’, X”, Y”, W”, and H” for
calculations.
X/160 µm Let this value equal A
Y/160 µm Let this value equal B
W/160 µm Let this value equal C
H/160 µm Let this value equal D
2-4) Open the “DENSITY ADJUSTMENT CONTROL” screen when the normal
imaging screen is active.
SYSTEM Æ SETUP MENU Æ SYSTEM SETTINGS Æ DENSITY
ADJUSTMENT CONTROL