·
DRC
Handling / Start Automatic DRC Processing
For detailed information a booklet "Radiographic screens and films" , also including imaging
plates, is available: 4512 980 50592.
- Every
empty line of this window has to be filled:
FILM default data file : FILM.TDL (1
film.tdl)
SCREEN ditto : SCREEN.TDL (2
screen.tdl)
CHAMBER ditto : CHAMBER.TDL (3 chamber.tdl)
CASSETTE ditto : CASSETTE.TDL (4
cassette.tdl)
SYSTEM CORRECTION ditto : SYSCOR.TDL (5
syscor.tdl)
CORRECTION
FACTOR range = 0.00 ... 9.99 (6 Correction
Factor)
>> For PCR/FCR/KCR/ADC
(computed radiography, imaging plates or dry >> cassettes) see details (1) to (6). >> For Digital
Diagnost DiDi see also details (1) to (6). Hyperlinks |
Special remark for
Optimus C with DuoDiagnost systems:
·
Only 2 chambers chamber 1 = EZX21 = Bucky are
available for DuoD. ·
Only 5 film-screen combinations
can be controlled by Cockpit. ·
Dose settings must be adjusted for
each data set at both chambers. |
<CANCEL> or use
<ESC>
Only two values of the 'Data
Set's of the 'Chamber's should be
changed:
'Abbreviation' and 'Dose of FSC'.
All others must not be changed (e.g. all kV dependent characteristics).
If digital cassettes / imaging plates (PCR/FCR/KCR) type the desired sensitivity
(e.g. PCR200) in the 'Abbreviation' field. Digital Diagnost and Thoravision
provide special speed Sxxx or DOSE names.
The value 'Dose of FSC [µGy]:' = Ks must be calculated:
example
Abbreviation:
The name of the film screen combination can be changed into every 6 digit string.
An FSC can be erased by filling the name field with blanks,
but: !!
There should never be a gap in-between the FSC data sets of a chamber. If
only one FSC is used, it must be at data set 1, the second must be on 2 etc. If
e.g. 4 data sets are active and the 1st will be erased by blanks (spaces), all
FSC's disappear and AEC is no more available for this RGDV.
If any FSC will be removed from the last position all APR linked to this FSC have
to be programmed to any other still existing FSC, otherwise no FSC will be
displayed at the desk. When these APR are changed to another FSC the
background mAs values have to be adapted to the FSC sensitivity.
Since Release 3 predefined APR data sets can be programmed with the FSC
name = 'Abbreviation'. If the abbreviation string and the name in the APR data
set are identical, the FSC will be associated to the APR data set.
If no name is given in the default APR data sets, APR will be assigned to the
FSC which has the closest 'Dose of FSC[µGy]:' value to the Recommended
Dose in the default APR data sets. The value can only be seen with the help of
APRMANager if the APR data screen is open or with the print preview.
Dose Request Chamber [µGy/V]: range: 0.50...32 µGy/V
Sensitivity of the selected measuring chamber.
Value must not be changed !
Dose of FSC [µGy]: range: 0.45...100 µGy
The initial value 'Dose of FSC [µGy]:' of the ‘DRC Handling / Start Automatic
DRC Processing’ (calculated by XRGSCOPE in the service PC) is set to achieve
a density of 1.0.
It can be changed according to the customers density "taste", e.g. 1.5:
If default APR of the installation disk are selected with AEC technique the
exposure data at the desk will display the abbreviation of the FSC and a default
zero with a triangle for the density. This zero should be the basic value for the
desired density. It will not change whatever value for the ‘[Dose of FSC]’ is
programmed.