| REFCAL | Option | Code | Arg | | Def |
| | instability options 0 | o | 3 | inst | o | calculate coefficients | 0 |
| | user-fixed instability | inst | 4 m b | user-specified coefficients | |
| | instability calculation | aftr | | after scaling references | |
| | | befr | | before scaling reference | |
| | scale factor use | appl | | apply scales | |
| | | naps | | do not apply | |
| | range in scale smoothing | sclm | n | | 5 |
| | "observed" threshold | obst | n | rcode= 2 if |Fo|<n  Fo | 99° |
| | output data type | rawi | | raw intensity | |
| | | neti | | nett intensity | |
| | | fsqr | | |Fobs|2 | |
| | | frel | | |Fobs| | |
| | dataset number | dset | n | 1 | |
| | interpolated form factors | noff | | do not insert | |
| | | ffac | | insert in reflection record | |
| | systematically absent hkl | sabs | | include on output bdf | |
| | | rsab | | do not output to bdf | |
| | fate of reference | incl | | include on output bdf | |
| | reflections | excl | | exclude from output bdf | |
| | listing data | slis | | list data for 10 reflections | |
| | | list | n | list n reflections | all |