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DX-D 400
User Manual
4.1.4
RALCO MANUAL COLLIMATOR R225/R225 DHHS
Illustration 4-4
Collimator Controls
.
Note
58
Collimator controls consist of a button to switch on the Collimator lamp and two
knobs to open or close the internal blades of the Collimator.
When pressing the Collimator Lamp push-button, the Collimator light and an
optional Laser light turn on. They remain lighting for 30 seconds before they
switch Off automatically (lighting time can be configured).
Exposure field on the Receptor is adjusted by setting the two knobs. The table
on the Front Panel shows the number to set with the knobs to open the blades
according to the SID and X-ray field to be used.
Additional variable filtration with manual settings may be optionally added to the
minimum collimator filtration in the form of an aluminium disk, 1mm thickness,
controlled manually from the front panel.
The disk features a hole for the passage of X-Rays and accommodates the
following three filters:
( ): no filtration.
( _ ): 0,1mm copper 1mm Al. (Al eq. 2.8mm)
( _ _ ) 0,2 mm copper + 1mm Al . (Al eq. 5.6 mm)
( _ _ _ ) 1mm aluminum + 1 mm Al support.
Refer to the corresponding Collimator Manual for extended
information about operation or technical description needed to
maintain compliance with Standard IEC 60601- -1- -3: 2008.
Knobs to open or close
the Collimator blades
Collimator Lamp Push-button
0232F EN 20191213
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