GE Medical Systems PRODIGY Service Manual page 57

D22 Amber LONG OMI
D25 Amber HE COUNT
D23 Amber LE COUNT
D21 Amber HVPS ENABLE
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PRODIGY Service Manual (Rev C - 2000)
Valid longitudinal motion sensed by OMI circuitry.
Valid high energy photon event sensed by DCA circuitry.
Valid low energy photon event sensed by DCA circuitry.
7681 HVPS enabled.
System Overview 2-63