西门子DR平板校准.doc

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1、Calibratingthedetectorstanddetectorfor“wallmode”(option)NOTE:Beforecalibrationcanbestarted,thedetectormustbeinoperationatleast4hoursorhavereachedthefollowingtemperaturevalues(40-50degreesCelsius)..Movethedetectorandtubeunitintoacenteredheightposition(lightfield)..Pivotthecollimatortothedet

2、ectorstand,setanSIDof180cmandcentertothecenterofthedetector..Removethegrid.NOTE:The180cmSIDabsolutelymustbemaintained..Insertthe0.6mmcopperprecisioncalibrationfilterintothecollimator..Removeallobjectsinthebeampath(tape,markers,grid,etc.)thecoverpanelonthedetectorinsertcanandmustbekeptclose

3、d..Select“options>DetectorCalibration”inthemenubar.Thefollowingisdisplayed:NOTE:Ifapasswordhasbeenswitchedtoactive,amenufirstappearswithapasswordrequest.Entertheappropriatepasswordhereorindiscussionwiththecustomer,resetordeactivatethepassword(seeStartingUptheImageSystem>>ServiceMenu>>radis

4、tools>>Userpassword)..Selectthe“WallStand”detectortobecalibratedandselect“Start”.>The“DetectorCalibrationmenu”appears:.Checktheaboveinquiriesormenuand,ifneeded,meettherequiredconditions..SelectOK.Followtheinstructionsthatappearfollowingforcalibration.Attheendofcalibration,theimageswillbean

5、alyzedandevaluated.Ifthe“Calibrationsuccessful”messageappears,ifispossibletocontinuewith“OK”Ifthecalibrationwasnotperformedsuccessfully,thenrepeatthecalibration,wherebyitisnecessarytofirstcheckthattherearenoerrors(objectsinthebeampath,incorrectcollimation,etc).