User's Manual

Wireless Service Manual
Page 105 of 124 RA14-11A-022
7. Maintenance
7.1 Function Test
Item Period Description
Power consumption Daily Confirm that the power operation of detector is normal.
Temperature Daily Check the monitoring in order to minimize the characteristic
changes of Flat panel caused by external temperature changes.
Hard disk space
Daily
Check if the hard disk is enough to save images and allow the
consecutive shootings.
Worklist connection Daily Check the worklist connection to allow consecutive shootings.
PACS server connection Daily Check the PACS server connection to send images.
Printing Test Daily Check the printer connection and print images
Auto offset Daily Check that Flat panel’s offset changes caused by the increased
heat are automatically corrected.
Resolution Monthly Confirm the resolution of the detector.
Image Acquisition Time Monthly Confirm the acquisition of time required to get image designed
with optimal specifications.
Linearity Quarterly 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.
DQE Quarterly 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.
MTF Quarterly 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.
Calibration Annually Compensates defect pixels and calibrates pixel gain using the
installed X-ray generator and X-ray tube.