| Output Voltage | S1 | S2 | S3 | S4 | S5 | S6 | S7 |
| +Vdc/4 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| +2Vdc/4 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| +3Vdc/4 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| +4Vdc/4 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| âVdc/4 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| â2Vdc/4 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| â3Vdc/4 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| â4Vdc/4 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |