rem UMIXPM write-only pipe support simple set of command to operate with 
rem UniMixPM. Syntax of commands:
rem  +l<Control_number> - increase volume on left control <number> by 1
rem  -l<Control_number> - decrease volume on left control <number> by 1
rem  +r<Control_number> - increase volume on right control <number> by 1
rem  -r<Control_number> - decrease volume on right control <number> by 1
rem  ++<Control_number> - increase volume on both controls <number> by 1
rem  --<Control_number> - decrease volume on both controls <number> by 1
rem  on<Control_number> - turn control <number> ON
rem  of<Control_number> - turn control <number> OFF
rem  ck<Control number> - works like a trigger. Or as virtual mouse click
rem                       on "ON/OFF" swith for control <number>. Inverts 
rem                       current On/Off state.
rem NOTES: Every command *MUST* be ended with space. Control numbers you can
rem get from "Layout config". Controls are sequentally numbered as placed in 
rem layout window, i.e. "master volume" = 1, "PCM volume" = 2 etc.
rem
rem EXAMPLE: this command increases left master volume channel by 1
rem 
echo +l1 >  \pipe\umixpm