Table 2—The variables encoded in the form response are used to control the display.
| Variable name | Meaning |
| MaxD | Maximum displayed temperature |
| MinD | Minimum displayed temperature |
| MaxT | Maximum displayed time |
| MinT | Minimum displayed time |
| -gSize | Size combo box |
| -submitv | Name of
button used to submit the form (Set, Show All, Show Last hour ) |