| UE: RLEV | DEFAULT_SHADE_THRESHOLD | Real |
| UE: IPAT | DEFAULT_SHADE_PATTERN | Integer |
| UE: ITPAT | AUTO_SHADE_PATTERN | Integer |
| UE: ICOLOR1 | SHADE_COLOR_MIN | Integer |
| UE: ICOLOR2 | SHADE_COLOR_MAX | Integer |
| UE: LTONE | ENABLE_AUTO_SHADE_LEVEL | Logical |
| UE: NLEV | **For internal processing** | Integer |
| UE: LBOUND | ? ? ? ? LBOUND | Logical |