5.9.1 Command Response

The following table lists the command response returned by the RNBD350 module via UART when the host MCU issues a command to the RNBD350 module.

Table 5-37. Command Response
Command Response	Description
`AOK`	Command Success
`Err`⁽¹⁾	Syntax error, invalid parameter or specific condition is not matched
`Scanning`	Start scanning
`Trying`	Start connecting
`Reboot after Factory Reset`	Reboot finished after factory reset
`Rebooting`	Start rebooting
`DFUU,<hex16>[,<hex32>]`	Allow MCU’s DFU request and the max packet size is represented in hex16. An optional 2nd parameter is use to convey the firmware on target device and is represented in hex32.
Note: The reason for `Err` in each command is different. For more details, the user must refer to the individual commands.