ICP DAS USA MP-8 43 Series Function Reference page 95

char m_parity=0;
char m_stopbit=0;
char m_szSend[100];
WORD m_TimeOut=100;
WORD m_Checksum=0;
long RET;
RET =Open_Com(m_ComPort, m_baudrate, m_databit, m_parity, m_stopbit);
memset(m_szSend, '\n', sizeof(m_szSend));
sprintf(m_szSend, "%s", "$01M");
RET=Send_Cmd(m_ComPort, m_szSend, m_TimeOut, m_Checksum);
RET=Close_Com(m_ComPort);
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MP-8x43 Function Reference V 1.0
95