Details
| Feature | Rugby 260SG | Rugby 270SG | Rugby 280DG |
| 90° Plumb beam | ✓ | ||
| Vertical operation | ✓ | ||
| RF remote control | ✓ | ||
| Dual grade to ± 15% | ✓ | ||
| Single grade to ± 15% | ✓ | ✓ | |
| Fully automated grade control | ✓ | ✓ | |
| Single grade to ± 10% (semi-automatic) | ✓ | ✓ | ✓ |
| Beam masking | ✓ | ✓ | ✓ |
| Bright, visible beam | ✓ | ✓ | ✓ |
| Large, intuitive, graphic display | ✓ | ✓ | ✓ |
| Simple, five-button operation | ✓ | ✓ | ✓ |