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，
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[para]
+ERR=[NUM]
：
error
Parameter
para(HEX): 0-FFFF
Default
：
FFF1
Note
1. Take effect immediately, save when power off
2. Slave channel. Used to send data from the slave and the master receiving data.
6.4.33 AT+UUIDMAST MAST CHANNEL characteristic UUID command
Command
Response
Inquiry
AT+UUIDMAST2?
+OK=[para]
Set
AT+UUID CHARA2=
[para]
+OK
：
success
+ERR=[NUM]
：
error
Parameter
para(HEX): 0-FFFF
；
Default
：
FFF2
Note
1.Take effect immediately, save when power off
2.Master channel. The master sends data and the slave receives data.
6.4.34 AT+AUTH Air configuration authentication password
Command
Response
Set
AT+AUTH =[para]
+OK
：
success
+ERR=[NUM]
：
error
Parameter
para(HEX): 6 byte password
Note
1.Only for air configuration authentication password
2.Default password
：
123456
For
example,
AT+AUTH=123456
6.4.35 AT+UPAUTH modify air configuration authentication password
Command
Response
Inquiry
AT+UPAUTH
？
+OK=[para]
Set
AT+UPAUTH =[para]
+OK
：
success
+ERR=[NUM]
：
error
Parameter
para(HEX): 6 byte password
Note
Take effect immediately, save when power off
6.4.36 AT+ONSLEEP sleep when power on
Command
Response
Inquiry
AT+ONSLEEP?
+OK=[para]