... the running of player C: Interface a, Input: 1: RS232 2: push button 3:GPIO, can extent to motion sensor ... at the root directory, if user input by remote or RS232 or Push button, the player will play the ... item include three part First two bit digit is the input No, then follow one “=” After the =, it ... this group by three part, First two bit is the input digit, after it is a “=”, after the “=”,define ...