
Command Summary
| Command | Function/Options | |
| In | Displays the following information. | |
| 
 | I0 | |
| 
 | I1 | Results of ROM checksum | 
| 
 | I2 | Results of RAM checksum | 
| 
 | I3 | Product type | 
| 
 | I4 | Current modem settings | 
| 
 | I5 | Nonvolatile memory (NVRAM) settings | 
| 
 | I6 | Link diagnostics | 
| 
 | I7 | Product configuration | 
| Mn | Operates speaker. | |
| 
 | M0 | Speaker always OFF | 
| 
 | * M1 | Speaker ON until CONNECT | 
| 
 | M2 | Speaker always ON | 
| 
 | M3 | Speaker ON after dial, until CONNECT | 
| On | Returns online. | |
| 
 | O0 | Returns online | 
| 
 | O1 | Returns online and retrains | 
| P | Sets pulse dial (for phone lines that don’t support | |
| 
 | ||
| Qn | Displays/suppresses result codes. See DIP Switch 3 | |
| 
 | (Section 4.2). | |
| 
 | * Q0 | Displays result codes | 
| 
 | Q1 | Quiet mode; no result codes | 
| 
 | Q2 | Displays result codes only in Originate | 
| 
 | 
 | mode. Cannot be stored in NVRAM. | 
| Sr.b=n | Sets bit .b of register r to value n (0/OFF or 1/ON). | |
| Sr=n | Sets register r to value n. See list of  | |
| 
 | settings (Section 6). | |
| Sr? | Displays contents of  | |
| S$ | Displays a list of the  | |
| T | Sets tone dial. | |
| Vn | Displays verbal/numeric result codes. See DIP | |
| 
 | Switch 2 (Section 4.2). | |
| 
 | V0 | Numeric codes | 
| 
 | * VI | Verbal codes | 
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