PROTEUS XR/a
GE MEDICAL SYSTEMS
Operator Manual
REV 11
DIRECTION 2259724-100
9-11
9-4-9 Auto Exposure Control Requirements
Note: For SG120 Wall Stand Auto Exposure Control (AEC), please check the form
below to ensure the fulfillment of each item of AEC requirements.
Otherwise, the exposure operation will cannot be made under AEC.
For SG120 Wall Stand, there are two circumstances (Bucky is in vertical
position and Bucky is in horizontal position, refer to Illustration 9-2) under
which the AEC exposure can be made. And in the form below, The AEC
exposure requirements under these two circumstances are specified
respectively. Pay attention to distinguish these two sets of requirements.
Note: For SG120 Wall Stand, to take exposure under AEC, the Cassette must be
loaded in the tray, and the Cassette tray must be inserted all the way into
the Bucky. And the image receptor must be selected to be “Wall Stand” on
System Console (refer to section “5-3-1 Technique Selection” in Chapter 5).
For SG120 Wall Stand, if the cassette is placed on the top of the Bucky
(Bucky is in horizontal position, Angulation is 90°, see illustration 9-2) while
not be loaded in the tray and inserted into the Bucky together with the tray,
the exposure only can be taken without AEC. And the image receptor
should be selected to be “Table top” on System Console (refer to section
“5-3-1 Technique Selection” in Chapter 5).
For SG120 Wall Stand, if the tray is not inserted all the way into the Bucky,
the exposure will be prohibited either with or without AEC.
Note: For the vertical position, rotation and angulation of SG120 Bucky, please
see contents 9-4-1, 9-4-7 and 9-4-8 for references. For OTS Console
position and Collimator override switch on OTS Console, please see 7-3, 7-
4-3 and 7-5 in Chapter 7. For Image Receptor Mode chosen on System
Console, refer to 5-3-1 in Chapter 5.
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