The text read off it
[06.02.02]
System Units Table Continued.
| Symbolic Designation | 4 Channel | 3 Channel | 2 Channel | Compiler | Loader | Sbr. Files Updater | Maintenance |
|---|---|---|---|---|---|---|---|
| SYSUT2 | B2 | B2 | B3 | Utility | Utility | New CT Sbr. Files | |
| SYSUT3 | C2 | C2 | A4 | Utility | Utility | Utility | Second Output for Assembly |
| SYSUT4 | None or D2 | None or C4 | None or B4 | First Output for Assembly |
System Units table, continued (page 113).
The usage of the words 'first' and 'second' denotes a multi-reel file with alternating units on which tape switching is performed automatically by that part of the CT Processor which uses the file. If a single physical tape unit is assigned to such files, the operator must perform the necessary mounting of a new tape whenever a reel switch occurs (the first tape will rewind and unload and the unit will be selected again as the second or alternating reel).