1-15. DESCRIPTION OF TEST PROGRAM SETS (cont)
(18) The IVD optical alignment reticle assembly mounts over the CRT of the IVD
It contains an optical alignment bezel assembly with a reticle
mounted inside the bezel assembly and two spring loaded retaining pins which hold the
IVD optical alignment reticle assembly in place.
Test patterns of known size and
dimension are displayed on the CRT, then the reticle is used to measure and verify
these known dimensions.
(19) The HOD protective cover assembly replaces the top HOD panel and allows
access to the adjustment potentiometers.