sHelp
                                     EDM.RTA
     i   2
   edm.room.and.treatment.dict
     edm.room.and.treatment.devices

 Ì     i   2
edm.room.and.treatment.dict    (main) 
[mnemonic]
&HEDRT[hedrt]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL                                        
 mnemonic                    10 URN      L                 hedrt                                                       
 active                       1 YN       L                 &HEDRT[hedrt]|0                                             
 edm.location                10 URN      L  EDM.LOC        &HEDRT[hedrt]|2                                         
 last.update                 10 PINT     R                 &HEDRT[hedrt]UPD                                            
 max.capacity                 2 PINT     R                 &HEDRT[hedrt]|3                                             
 name                        30 FREE     L                 &HEDRT[hedrt]|1                                             
 Ì     i   2
edm.room.and.treatment.devices    (devices) 
[mnemonic, device]
&HEDRT[hedrt]D[rtdev]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL                                        
 device                      15 FREE     L                 rtdev                                                       
 Ì       2
 INDEX FILE/INTERNAL NAME           SUBSCRIPTS/PHYSICAL BASE

 edm.room.and.treatment.dev.x       [device] = mnemonic
   device.x                           &HEDRTD[rtdev]