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，
Chengdu Ebyte Electronic Technology Co.,Ltd
15
Set
AT+DATABITS=[para]
+OK
：
success
+ERR=[NUM]
：
error
Parameter
para(ASCII)
Description
0
5 data bit
1
6 data bit
2
7 data bit
3
8 data bit
Note
Restart to take effect, save when power off
For example,
AT+DATABITS=0
6.4.9 AT+ROLE Bluetooth role
Command
Response
Inquiry
AT+ROLE?
+OK=[para]
Set
AT+ROLE =[para]
+OK
：
success
+ERR=[NUM]
：
error
Parameter
Para(ASCII)
Description
0
Slave
（
default
）
1
Master
2
Observer
3
Salve and master as one
Note
Restart to take effect, save when power off
6.4.10 AT+DEVMANUF devise manufacturer
Command
Response
Inquiry
AT+DEVMANUF?
+OK=[para]
Set
AT+DEVMANUF =[para]
+OK
：
success
+ERR=[NUM]
：
error
Parameter
para( string): MANUF name
Default:CDEBYTE;
Note
1.
Restart to take effect, save when power off
2.
Maximum string length is 32bytes
6.4.11 AT+ADV enable advertising
Command
Response
