Figure 4-15. Collimator test tool with room number included.
Note that date can be flashed on card when film runs.
4-22. EVALUATION AND INTERPRETATION
a. The lead markers designate the:
Front of the table.
b. The results depend on where the x-ray field falls.
If it falls within half a penny's distance from the center line, the results
(2) If it exceeds the proper location by more than one penny's distance, the
results are unacceptable.