
| Byte | Byte | Function | 
| Number | Value | 
 | 
| 1 | 01 | Start of frame | 
| 2 | 02 | Number of control bytes | 
| 3 | 08 | ID byte 08 = internal command | 
| 4 | 20 | Function code 20 = stop time stamping | 
| 5 | 00 | Number data bytes | 
| 6 | 2B | Checksum | 
To resume time stamping send the following command:
| Byte | Byte | Function | 
| Number | Value | 
 | 
| 1 | 01 | Start of frame | 
| 2 | 02 | Number of control bytes | 
| 3 | 08 | ID byte 08 = internal command | 
| 4 | 10 | Function code 10 = resume time stamping | 
| 5 | 00 | Number data bytes | 
| 6 | 1B | Checksum | 
Time stamping will resume after reset.
| 10 | HDV100A3 Command & Response  | |
| B&B Electronics  | 707 Dayton Rd. | |
| PH (815)  | FAX (815)  | |