on headings
| Cmd | When Applied To Object | Action |
|---|---|---|
| ? | Seqno | Display context help information. |
| + | Seqno | Expand to reveal all entries. |
| – | Seqno | Collapse to show only first level. |
| SV | Seqno | Sort next level by value. |
| SD | Seqno | Sort next level entries by service time |