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C81 OUTPUT ACTIVATION AND SCALES FOR 3D FIELD OUTPUT
*
* VARIABLE: DUMMY VARIABLE ID (DO NOT CHANGE ORDER)
* IS3(VARID): 1 TO ACTIVATE THIS VARIABLE
* JS3(VARID): 0 FOR NO SCALING OF THIS VARIABLE
* 1 FOR AUTO SCALING OF THIS VARIABLE OVER RANGE 0<VAL<255
* AUTO SCALES FOR EACH FRAME OUTPUT IN FILES OUT3D.DIA AND
* ROUT3D.DIA OUTPUT IN I4 FORMAT
* 2 FOR SCALING SPECIFIED IN NEXT TWO COLUMNS WITH OUTPUT
* DEFINED OVER RANGE 0<VAL<255 AND WRITTEN IN I4 FORMAT
* 3 FOR MULTIPLIER SCALING BY MAX SCALE VALUE WITH OUTPUT
* WRITTEN IN F7.2 FORMAT (IS3DO AND ISR3DO MUST BE 1)
*
C81 VARIABLE IS3D JS3D SMAX SMIN