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21
Parameter
para
（
ASCII
）
Description
0
Scan off
1
Scan on (default)
Note
1.Take effect immediately, save when power off
2. If the current number of master connections has reached the maximum, then no longer start scanning;
3. Scan enable and disable take effect in roles other than the slave.
6.4.27 AT+SCANINTV scan interval
Command
Response
Inquiry
AT+SCANINTV?
+OK=[para]
Set
AT+SCANINTV=[para]
+OK
：
success
+ERR=[NUM]
：
error
Parameter
para(ASCII):20~6000
default
：
100
Note
1. Take effect immediately, save when power off
2. The scanning interval is not less than the scanning window
3. The slave does not support it, but it can still be set
For example,
AT+SCANINTV=120
Scan interval
：
120*0.625 = 75ms
6.4.28AT+SCANWND scan window
Command
Response
Inquiry
AT+SCANWND?
+OK=[para]
Set
AT+SCANWND=[para]
+OK
：
success
+ERR=[NUM]
：
error
Parameter
para(ASCII): 20~65535
default
：
80
；
Note
1. Take effect immediately, save when power off
2. The scanning interval is not less than the scanning window
3. The slave does not support it, but it can still be set
For example,
AT+SCANWND=20
Scan window
：
20*0.625 = 12.5ms
6.4.29 AT+TRANMD transmission mode
Command
Response
Inquiry
AT+TRANMD?
+OK=[para]