Philips CARDIOMD Service Manual page 82

Detector Calibration
Calibration file created:
Intrinsic Uniformity Calibration Procedure
Note. If the CardioMD system is equipped with the AC Option, the special AC option point
source holder must be used for the intrinsic uniformity calibration. See Chapter 12 CardioMD AC
Option for instructions.
Procedure
1. Ensure that the CardioMD system is in the
patient load position and that the acquisi-
tion PC is displaying the Persistence page.
2. Click the Tools button.
The Calibration & Configuration menu ap-
pears.
3. In the Calibration & Configuration menu,
click Uniformity calibration.
The Uniformity Calibration page appears.
4. Specify the energy settings for the uni-
formity correction table to be acquired.
5. Select Intrinsic.
6. Select the detector to be calibrated.
The uniformity correction table is assigned a
filename of the form:
U.coll.ew1.ew2.ew3.detectorNum
Where:
is set to ,
coll LEGP LEHR
on the collimator mounted on the detector.
, , are set to the values entered for
Ew1 ew2 ew3
the isotope peaks.
is set to either
DetectorNum
ing on which of the detectors the table is ac-
quired for.
4-26 CardioMD Service Manual
Intrinsic:
C:/Cardiocam/calibrations/Uniformity
Maps/U.None.<keV>.1
Extrinsic:
C:/Cardiocam/calibrations/Collimator
Maps/U.LEHR
Details
or , depending
NONE
or , depend-
1 2
(or )
.2
(or ) (or
LEGP .<keV>.1
)
.2
1MAN0158-H11 04-2005 CSIP Level 1