This command queries the address of the device on the bus.
Command format:
?<cr><lf>| ? | Device address query command |
| <cr><lf> | Command terminator |
Response:
b<cr><lf>| b | Device address (default = 0) |
| <cr><lf> | Response terminator. |
Example:
?<cr><lf>
0<cr><lf>If more than one transmitter is connected to the bus, see Connecting several transmitters on same bus.