Image Intensifier Field Size
Field Size
Press the “Field Size” key to select the X-Ray field size. The illuminated LED indicates which field size is
selected. Press the “Field Size” key until the field size you want is selected. Refer to the table below:
TEXT ICON FIELD SIZE
NORM 9 inches
MAG1 6 inches
MAG2 4.5 inches
Collimator Control
The X-Ray beam may be collimated by using the iris collimator or the shutter collimator. Press the key until
the shutter or iris is in the position you desire.
Shutter Collimator Rotation
Press the left key to rotate the shutter collimator counter-clockwise. Press the right key to rotate the
shutter collimator clockwise.
Shutter Collimator Open/Close
Press the “Shutter Collimator Open/Close” keys to open and close the shutter collimator. Press the bottom
portion of the key to close the shutters and press the top portion of the key to open the shutters.
Iris Collimator Open/Close
Press the “Iris Collimation Open/Close” keys to open or close the collimator iris. Press the bottom portion of
the key to close the iris or the top portion of the key to open the iris.
When the system is transferred to film mode, Iris opens fully. And the parameters set in the fluoroscopy
mode are memorized. When return to fluoroscopy mode, it can be restored until a reset is made.
Proper use of the iris can decrease the X-Ray radiation to the patient and improve image
quality.
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