Precautions For Exposure In The Semi-Auto Mode; Precautions For Exposure In The Semi-X Mode; Precautions For Exposure In The Fix Mode - FujiFilm FCR XC-1 Operation Manual

2 Precautions for Exposure in the
SEMI-AUTO MODE
The precautions are common to Semi I, II, III or III(**).
• Center area of the IP 10×10cm (Semi I)
Position the portion you need to display of ten in
each of the 5×5cm (Semi III (**))center are as of
the half-split IPs (both upper and lower halves
and right and left halves) and the quarter-split IP.
• Never position anything other than the subject in
the above mentioned areas. If anything 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.
• It is necessary to control the tube voltage as
usual according to the subject thickness.
The following precautions should be observed
for Semi IV.
Z
Area Center Coordinate (x:y) cm Size (cm)
a
b
c
d
e
Z-6
7× 7cm (Semi II)
5× 5cm (Semi III)
y
b c
a
x
d e
(0, 0) 10×10
(-5, 7) 6×6
(5, 7) 6×6
(-5, -7) 6×6
(5, -7) 6×6
• Do not position transparent portions (area other
than the subject) in the abovementioned five
areas.
• It is necessary to control the tube voltage as
usual according to the subject thickness.
The SEMI-AUTO MODE has been preset around
the magnification menu.
3 Precautions for Exposure
in the SEMI-X MODE
The user will select the nine areas accordingly, on
which the SEMI-AUTO MODE applies. (See the
illustration below.)
The same precautions as for the SEMI-AUTO
MODE apply.
5cm x 5cm
4 Precautions for Exposure
in the FIX MODE
As reading conditions are fixed, exposure
conditions must be controlled in the same way
as for conventional X-ray exposure.
The reading conditions (sensitivity and latitude)
have been preset according to the relevant menu
in the FIX MODE. Thus, select the exposure
conditions that correspond to that menu.
FCR XC-1 Operation Manual
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First Edtion 11.2005 897N0565