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D
4500 U
RYSTAR
SER MANUAL
After the image is printed, the system will display the optical density values:
4
0.19
0.36
1.14
Default densitometer
e.g. Macbeth TR924
The displayed values represent the following steps on the test film:
Low density
Mid density
High density
If the mid density value does not meet or exceeds the recommended
values, the cause must be found and the problem solved before any further
clinical films can be printed.
Refer to
page
schedule'
Record the density levels on the Drystar 4500 Chart 1 ('Determination of the
5
operating levels'). Refer to
Press the Confirm key to return to the main menu.
6
Repeat steps
7
the Drystar 4500 Chart 1.
Calculate the average value of the densities from the five images. These values
8
represent operating levels or aim values, for each density.
52
Advanced operation (key-operator mode)
Operating Level
the density value of the
Low density step
the density value of the
Mid density step
the density value of the
High density step
'Maintaining image quality and resolving image quality problems'
191
of the Drystar 4500 Reference manual and
on page 61, or call your local Agfa service organization.
'Quality Control Charts'
1
through
6
once a day for five consecutive days, as indicated on
Value (Macbeth units)
(according IEC 1223-2-4
or better)
0.4 ± 0.05
1.2 ± 0.15
2.0 ± 0.20
'Preventive maintenance
on page 77.
1.92
3.10
1.56
on
2801E EN 20050215
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