1-8
ILLUSTRATION 1-6
15. Examinethelast exposureand determinewhich direction to movethefield lamp
to best position it around the x-ray field.
16. Turn on thefield lamp.
"%&()& # &(#''
$"%$##(' & $( # ( #&* ! !"% )'("#( & $ #$(
!$$ &(!* ( ( ! !"% (' &(#'' ' !##
17. The field lamp adjustment area will be hot so use a metal tool to move the bracket
when repositioning the light field area on the film cassette.
18. When the light field area has been repositioned equidistant around the x-ray
field, tighten the adjustment screws. Alternately tightening the two screws will
help prevent the bracket from slipping out of place.
19. Repeat steps 1 through 16 until the percentage of SID" requirements are obĆ
tained.
$(
If the percentage of SID requirement cannot be obtained, the light field is
either too largeor in rareinstances too small. In this casethecollimator will
have to be returned to the factory.
20. Replace the back cover and fasten it in place with four metric Phillips head
screws. See Illustration 1-4.
21. After any adjustment to the field light area, the collimator crosshair window posiĆ
tion should be checked and corrected if necessary. Refer to Section 1-5.
Summary of Contents for AMX 4+
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