GE Healthcare Senographe DS
Revision 1 Service Information and Procedures Class A 2385072-16-8EN
Job Card ELE A028 - Collimation Checks
Page no. 681 Chapter 7
JC-ELE-A-028.fm
5. Turn on the collimator light. Place each of the corresponding XR-M film strips near the center of each
light field.
ILLUSTRATION 1 - POSITIONING OF XR-M FILM STRIPS
Note:
To achieve better contrast of the edge of the light field, it is recommended to place the XR-M film
strips with the white side facing the collimator, orange side down.
Note:
When positioning the XR-M film strips, you must ensure that that positive markers (+1, +2, and +3)
are inside the light field as shown above.
X-RM Film D
X-RM Film A
X-RM Film C
X-RM Film B
Coin
Coin attached to chest wall of
compression paddle (not shown)
Chest wall edge of
light field
Left edge of
light field
Anterior edge of
light field
Right edge of
light field
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