| Code Value | Definition |
|---|---|
| Calibrate | Calibration mode |
| Long Dwell | The radiation measurement instrument makes a single long measurement. For example, when a transportable system is stationary, measuring a source for higher accuracy. |
| Other | Other |
| Search | The radiation measurement instrument makes a series of short measurements. For example, when a transportable system is moving and searching for sources, collecting gross count rates or spectra periodically. Another example, a portal monitor that collects gross count rates periodically while conveyances are in transit. |
| Test | Test or diagnostics mode |