User Manual

Table Of Contents
162
2900H EN 20071108Advanced operation (Key-operator mode)
DRYSTAR 5500/5503 REFERENCE MANUAL
4 Press the Up/Down arrow keys to select the proper input tray, followed by the
Confirm key.
The Drystar 5500 will automatically print the QC mammography test image.
5 After the image is printed, the system will display all measured optical density
values:
6 Record the Base + Fog, the Mid density, the Maximum density and the Density
Difference values on Charts 2A and 2B (‘Drystar 5500/5503 Daily Density
Control Chart’). Also record the date and time of the test on the charts and on
the QC mammography test images. Refer to ‘Charts for mammography QC
(optional)’ on page 247.
7 Press the Confirm key to return to the main menu.
8 Press the ok key to return to the main menu.
In case the measure results are not within the aim values, the reason for
the unacceptable density variations must be identified and resolved before
any further clinical films can be processed. This may include repeating the
film calibration procedure.
For possible causes of non-compliance and the respective actions, refer to
‘Maintaining image quality and resolving Image quality problems’ on page 220
and ‘Preventive maintenance schedule’ on page 186.
Default densitometer
e.g. Macbeth TR924
0.19
0.30
1.30
2.12
3.60
1.82