set def mecca_disk:[mecca.pa1790.current]

from pmain.c

/*+ int par_edit(int isActive,int ttp,float ext,PAR_REC_STRUCT *p,HPAR_REC_STRU 
        edit all PS cycle dependent pars:
        There are 4 cases:
        1) LAM52,v701 of 8 Gev cycle, call par1_edit to manually edit ft table,
           can change 8 gev level and its slot #
        2) PS in  8 Gev cycle except LAM52 and v701, can change ramp length and
           8 gev level.
        3) PS in A1 line(pbar injection cycle) except LAM62/V901:V_CONV2,
           T_REST,I_MIN are not used.
        4) all rest
        8 Gev current levels can only be changed in a 8 gev cycle.
        what about LAM62,V901 and P3 line PS? They are not in 8 Gev cycle.