Ziehm Imaging, Inc.
Vision Installation Manual
MAN 06-0015, Rev. A
Page 23
M a i n t e n a n c e R e p o r t : C h e c k i n g C e n t r a l X - R a y B e a m
Note: If dose exceeds 10 R/min limit, you must reduce pulse width or maximum
mA as necessary. A trained and qulified Service Technician is required to
perform this task. Contact Service Support.
8. Write the model number and serial number of the dosimeter in the box below.
9. Answer the question in the following box.
Checking Central
X-Ray Beam
Federal Regulation
Federal regulations (21 CRF 1020.31 (e) (1)) establish that the radiation field must be
centered on the image receptor within a tolerance of less that 2% of the Source-to-
Image-Distance (SID). The central x-ray is checked through the monitors.
1. Attach the beam alignment target (p/n 40-400-T10) to the image intensifier.
2. Fully open both the slot collimator and iris diaphragm.
3. Select the full image intensifier format (i.e., no zoom).
4. Place the C-Arm in the
Basic
position, shown in Figure 11.
Fig. 11
C-Arm in the Basic Position
5. Initiate fluoroscopy with the foot switch.
6. While watching the monitor, slowly close the iris until the edges of the iris are vis-
ible on the monitor.
Dosimeter Model No.:
Dosimeter Serial No.:
Did x-ray production cease immediately when the
hand and/or foot switch was released?
Yes
No
