| REFM90 | Option | Code | Arg | Def | ||
| 1 | reformat mode | xtal | convert archive bdf to SCFS file | |||
| scfs | convert SCFS file to archive bdf | |||||
| 2 | pack | |||||
| fobs | format of lines in the HKL PACK or | |||||
| fsqr | HKL section of the SCFS file | |||||
| int | produced in xtal reformat mode | |||||
| calc | ||||||
| 3 | SCFS sequence checking | chek | enabled | |||
| noch | disabled | |||||
| 4 | data set number | output in xtal mode | 1 |