Chapter 4
Page no. 34
4-cons.fm
GE Healthcare
Senographe DS Acquisition System
Revision 1
Operator Manual 5307907-3-S-1EN
X-ray Console
9.
Breast laterality - Right button
•
When acquiring an image, press this button to indicate that a RIGHT breast is being imaged.
Note that selection of breast laterality (left or right breast) is mandatory. If laterality is not selected
by the operator, the exposure command is disabled.
10.
Special views selection (for standing or sitting patients) button
View names are normally determined automatically; the view names used are based on the ACR
view name convention; see section
4 View Name selection on page 39
button is used to modify the view name if a special view is used.
•
Automatic view selection:
After the operator selects breast laterality, the system determines and displays the correct view
name according to the Gantry arm angle. View names selected automatically are:
RCC, LCC, RMLO, LMLO, LSIO, RSIO, LML, RML, LLM, RLM, LLMO, RLMO, LFB, RFB.
If magnification is in use, the letter M is automatically added to the view name after the laterality
letter (e.g., LMCC for a mag view on the left breast in the CC position).
•
Special view selection (for standing or sitting patients):
When a special view is used which does not correspond to the automatic view selection, press
the
Special Views
selection button as often as required until the desired view name is displayed.
4 View Name selection on page 39
.
•
Recumbent patients:
The automatic and special view selection procedure applies only to standing or sitting patients.
View names for recumbent patients (patients unable to stand or sit for the mammogram) are
selected using the
Recumbent Patient
menu as described in section
11.
kV and mAs Readout
display
•
In Manual mode
the readout displays the kV and mAs values selected by the operator.
•
When an AOP mode is selected,
the kV readout displays the code of the selected mode: CNT
(Contrast), STD (Standard), or DOSE. The mAs readout displays AUTO.
•
At end of exposure,
the kV readout displays the kV value selected and used during the expo-
sure and the first letter of the code of the selected mode (CNT, STD, or DOSE); the mAs readout
displays the mAs value used during the exposure.
12.
kV selection
knob
•
In Manual mode,
turn the kV knob to select the required kV value; the displayed value changes
as the knob is turned. Available values are 22 kV through 49 kV in steps of 1 kV. There is no
mechanical stop; you can continue to turn the knob past the minimum or maximum value (22 kV
or 49 kV), but the displayed value no longer changes.
•
In AOP mode, turning
the knob has no effect.
13.
mAs selection
knob
•
In Manual mode,
turn the mAs knob to select the required mAs value; the displayed value
changes as the knob is turned. Available values are 4 mAs through 500 mAs, but some parame-
ter selections may change these limits, e.g. the X-ray Console can display as high as 600 mAs
whereas the exposure is automatically limited to 500 mAs. There is no mechanical stop; you can
continue to turn the knob past the minimum or maximum value, but the displayed value no longer
changes.
•
In AOP mode,
turning the knob has no effect.
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