PROTEUS XR/a
GE MEDICAL SYSTEMS
Operator Manual
REV 11
DIRECTION 2259724-100
7-8
7-6 Proteus XR/a Automatic Collimator
7-6-1 Operational Controls on the ACSS Multileaf Collimator
ILLUSTRATION 7-8
AUTOMATIC COLLIMATOR
(1) Locking lever for
±
90° rotation of the collimator about vertical axis
The collimator stops only in 0°position.
(2) Adjusting knob for format height collimation
(Turning to the left closes the collimator, turning to the right opens the
collimator)
(3) Adjusting knob for format width collimation
(Turning to the left closes the collimator, turning to the right opens the
collimator)
(4) X-ray field illumination and linear light localizer on/off
Cutout also performed automatically via a time switch.
(5) Measuring tape grip for SID measurement
- Take reading at bottom edge of multileaf collimator.
- The measuring tape has both a cm and an inch graduation
(6) In manual or auto collimator mode, MEMORY button for resetting last
exposure format used when current blade width and height are larger than
last setting.
(7) Two accessory rails
(8) +,-key: I SID adjusting
-
Press + key in manual collimator mode,
Collimator SID is set to 100cm, 150cm, and 180cm.
-
Press - key in manual collimator mode,
Collimator SID is set to 180cm, 150cm, and 100cm.
(9) No
use
Note: The light field of the collimator shouldn’t beyond 17inch × 14inch (43cm
×36cm) or 14inch × 17inch (36cm ×43cm).
Lamp housing of
light localizer
8
6
1
7
7
2
3
4
5
9
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