| 006 | INSTRUMENT SECURITY AND REMOVABLE MEMORY CARD |
| 099 | EXPANDED LICENSE KEY UPGRADABILITY |
| 1EA | HIGH OUTPUT POWER |
| 1EQ | LOW SPECIFIED POWER (LESS THAN -110 DBM) |
| 1ER | FLEXIBLE REFERENCE INPUT (1-50 MHZ) |
| 302 | AVIONICS LICENSE |
| 303 | MULTIFUNCTION GENERATOR |
| 320 | PULSE TRAIN GENERATOR, FIXED PERPETUAL LICENSE |
| 506 | FREQUENCY RANGE, 9 KHZ TO 6 GHZ |
| UNM | STANDARD FRONT PANEL CONNECTOR CONFIGURATION |
| UNT | AM, FM, PHASE MODULATION |
| UNW | NARROW PULSE MODULATION |
| UNX | LOW PHASE NOISE |
| UNZ | FAST FREQUENCY SWITCHING |