(This functionality is available with the Input / Output module)
The default communications settings are designed to work effectively if the SDR-2 is set up as follows.
| COMS | SETTING |
| Speed | 1200 |
| Parity | Not set |
| Word Length | 8 |
| Checksum | Y |
The cable connector switch must be set to DTE.
Due to limitations in the field size in the SDR units, co-ordinates must be 10 characters or less.
| E.g. | -123456.789 | (Not legal) |
| 123456.789 | (legal) | |
| -12345.678 | (legal) |