User's Manual

Wireless Service Manual
Page 118 of 124 RA14-11A-022
Test ITEM (12)
MTF
Frequency
D: Daily □ M: Monthly □
Q: Quarterly ■ A: Annually □
Objective:
Evaluate the distinct characteristics of detector through the amount of radiation coming into Flat Panel
Detector, resolution and contrast of images/projections, and the unification of noises of projection.
Equipment:
Workstation, VXvue S/W
D.Q.E Program (Matlab)
Power supply, Power Meter
X-ray GEN., X-ray Tube
Inspection Report Form
Procedure:
IEC62220-1(RQA 5) in accordance with the conditions
Performance and Corrective Action:
Properties/qualities should be obtained more than 50% at 1l/p ㎜.
If properties/qualities are not obtained, reset the conditions and test again.
If properties/qualities are still not obtained after the second test, service assistance is necessary.
Record result on Inspection Report Form.
Result:
Frequency: D: □, M: □, Q: □, A: □ Date: 20**-**-** Operator:
Limit of Acceptability: 1l/p ㎜, more than 50%
Remarks: