5.7.1.1.3 DFU Update Start (DFUS)
Format: DFUS
This command is sent to indicate the start for the firmware image update.
| Example: | DFUS | // Start update for firmware image |
| Response: | AOK | // Device is ready for update |
| Err | // Not proper configured by DFUU | |
| BUSY | // Device is busy, try again later |