Note:
  RD_2136_DMX_DIGI_M_V140731(V32):  the firmware version is v3.2
  RD_2136_DMX_DIGI_M_V140731(V292): the firmware version is v2.9.2

 1. the v3.2 and v2.9.2 version are the latest release version for the DMX24.4 software update.
 2. the v3.2 and v2.9.2 version improve these function:
     -  the communication between pc or app and the DMX24.4 had been finished test.
 3. the v2.9 version is only used for the DMX24.4 which the firmware is v2.9 or lower version.
    the v3.2 version is only used for the DMX24.4 which the firmware is v3.0 or higher version.
 4. the function deference between the v3.2 and v2.9.2 version:
     -  Compressor Threshold function:for v2.9.2 the change step is 2dB,for v3.2 the change step is 1dB
     -  EQ Gain/GEQ function , for v2.9.2 the change step is 2dB,for v3.2 the change step is 1dB
     -  Aux mixer Gain:for the v2.9.2 the total step is 24,for v3.2 the total step is 42.
      