4.5.4.4 Send message to RS-232 port
SUB-COMMAND = 28H
Block Length = 8 Bytes + DATA[0~ N] = (8 + N + 1) Bytes (Note: N<50)
DATA[0~N] = Message being sent to RS-232 Port
Example: sending the “HELLO123” + CR(Carriage-Return) + CF(Line-Feed) message
through RS232 Convertor via RS-232.
Block Length = 8 + 10 = 18 Bytes
DATA[0~7] = “HELLO123”
DATA[8] = 0DH
DATA[9] = 0AH
4.5.5 Protocol for AT510M/AT710M
You can use the same sub-command of turn buzzer on/off (refer to 4.3.5 and 4.3.6) to
control the melody on/off of AT510M/AT710M.