FujiFilm FCR XG-1 Operation Manual page 97

Precautions for Exposure
2 Precautions for Exposure in the SEMI-AUTO MODE
The precautions are common to Semi I, II, III or III(**).
1 Center area of the IP
Position the portion you need to display often in each of the 5 × 5cm center areas of
the half-split IPs (both upper and lower halves and right and left halves) and the quar-
ter-split IP.
2 Never position anything other than the subject in the above mentioned areas. If any-
thing other than the subject is positioned in such areas, the image density will become
thinner.
In addition, do not position any metals or artificial bones in such areas. The image
density will become higher if such an object is positioned in such areas.
( )
3 It is necessary to control the tube voltage as usual according to the subject thickness.
The following precautions should be observed for Semi IV.
b
a
d
(1) Do not position transparent portions (area other than the subject) in the
abovementioned five areas.
(2) It is necessary to control the tube voltage as usual according to the subject thick-
ness.
The SEMI-AUTO MODE has been preset around the magnification menu. For details,
refer to Appendix Y Exposed Anatomical Regions / Applicable Menus / Display Pa-
rameter.
010-021-20 09.2001
10 × 10cm (Semi I)
7 × 7cm (Semi II)
5 × 5cm (Semi III)
y
Area
a
c
b
x
c
d
e
e
Center Coordinate (x:y) cm
(0, 0)
(-5, 7)
(5, 7)
(-5, -7)
(5, -7)
Size (cm)
10×10
6×6
6×6
6×6
6×6
1
2
3
A
B
C
Y
Z
Z-7