| DSW1 No | Function | ON | OFF | MAITRE'D SETTING |
| 1 | Data receive error | Ignored | Displays ??? | OFF |
| 2 | Data Length | 7 bits | 8 bits | OFF |
| 3 | Parity On / Off | Parity | No parity | OFF |
| 4 | Parity type | Even | Odd | OFF |
| 5 | Transmission Speed | Maitre'D settings for 9600 bps | ON |
|
| 6 |
|
| ||
| 7 |
|
| ||
| 8 | Self Test Selection | Perform self test | Do not perform | OFF |
| DB9 Female to Host PC | DB9 Male to Pole Display |
| Pin 1 Connected to | Pin 1 |
| Pin 2 Connected to | Pin 2 |
| Pin 3 Connected to | Pin 3 |
| Pin 4 (Jumped With Pin 6 of Host PC) | Pin 4 (Not Connected) |
| Pin 5 Connected to | Pin 5 |
| Pin 6 (Jumped With Pin 4 of Host PC) | Pin 6 (Not Connected) |
| Pin 7 (Jumped With Pin 6 of Host PC) | Pin 7 (Not Connected) |
| Pin 8 (Jumped With Pin 6 of Host PC) | Pin 8 (Not Connected) |
| Pin 9 (Not Connected) | Pin 9 (Not Connected) |