sHelp
                                     MRI.ACCESS
     i   2
   echart.access
     users

 Ì     i   2
echart.access    (main) 
[mnemonic]
&ESA[esa]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL                                        
 mnemonic                    10 FREE     L                 esa                                                         
 active                       1 YN       L                 &ESA[esa]|0                                                 
 description                 40 FREE     L                 &ESA[esa]|1                                                 
 last.update                 10 PINT     R                 &ESA[esa]UPD                                                
 sealed.visit.access          1 YN       L                 &ESA[esa]|2                                                 
 Ì     i   2
users    (users) 
[mnemonic, user]
&ESA[esa]U[gu]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL                                        
 user                        10 FREE     L  MIS.USER       gu                                                      
 Ì       2
 INDEX FILE/INTERNAL NAME           SUBSCRIPTS/PHYSICAL BASE

 user.x                             [user] = mnemonic
   user.x                             &ESAU[gu]