Master Role Linkage - Ebyte E104-BT53C3 User Manual

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Para3: Whether to display the Bluetooth name, 0: no 1: display (default)
Take effect immediately, power failure does not save;
This command takes effect only for the primary role (single master, master slave).
Description Scanning stops automatically when the number of devices reaches 20 or the scanning timeout
period is reached.
If Observer is already enabled, using this command disables the observer feature.
Example Query scan parameters of the primary role
Instruction: AT+SCAN?
Return: +SCAN=0,20,1
Example Set the scanning parameters of the main role (start scanning, do not display the Bluetooth
name, scan time 20 seconds)
Command: AT+SCAN=1,20,0
Return: +OK
6.3.13 The Master role scans the physical layer
Inquire
Setting
Parameters
Effective immediately, power off save;
If the scanned physical layer of a primary role is set to LE CODED PHY, only secondary devices
Description at the same physical layer can be scanned and connected to only secondary devices at this
physical layer.
Only the primary role (single-master, master-slave) supports this command.
Example Query scan parameters of the primary role
Command: AT+SCAN_PHY?
Return: +SCAN_PHY=0
Example
Set the physical layer scanned by the primary role to LE CODED PHY
Command: AT+SCAN_PHY=1
Return: +OK

6.3.14 Master role linkage

Setting
para1: Returns the serial number or MAC address in the list according to the "AT+SCAN" command
Parameters to connect to the specified secondary device.
para2: indicates the MAC address.
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Command
AT+SCAN_PHY?
AT+ SCAN_PHY =[para]
Command
AT+ CONNECT=<para1>, <para2>
+ SCAN=[para]
+OK：success
+ERR=[NUM]：Error
0:1M PHY(default)；
1:LE CODED PHY。
+OK：Success
+ERR=[NUM]：Error
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