Specifications

HM-BT4502 V1.0
16/ 43 www.hoperf.com
9.7 Set the Module MAC Address
Input the string "TTM: MAC-xxxxxxxxxxxx" to the serial port RX.
If the instruction format is correct, the "TTM: OK\r\n\0" will be received from TX.
If the format is incorrect, the "TTM: ERP\r\n\0" will be received.
This setting can be saved on power failure. When the module restarts, it will
run according to the new MAC address.
9.8 Module Reset
Input the string "TTM: RST-SYSTEMRESET" to the serial port RX:
It will force the module to soft reset once.
9.9 Set the Advertisement Period
Input the string "TTM: ADP-(X)"to the serial port RX to set the advertisement
period of the module, T = X * 100ms.
Among them, X ="2","5","10","15","20","25","30","40","50" (all data formats
above are ASCII codes). For example, “TTM:ADP-(2)” means the
advertisement period is 200ms. If the instruction format is correct, the
confirmation string "TTM: OK\r\n\0"will be received from TX. If the format is
incorrect, the "TTM: ERP\r\n\0" will be received. This setting can be saved on
power failure. When the module restarts, it will run according to the new
advertisement period.