| B5 | built in printer |
| C1 | GPIB interface |
| D | UL CSA Standard |
| E1 | Four additional 701939 500 MHz probes |
| G4 | Power supply analysis function (includes G2) |
| HE | English Menu and Panel |
| L16 | Logic 16bit |
| M1 | Memory Expansion 6.25 Mpoints |
| P8 | Eight probe power connectors |