Yamaha DOM-30 Owner's Manual page 23

*2 Enabled or disabled by command.
*3 Recognized by sound module section
#4 Recognized if Recieve_Mode is off.
Mode 1 : OMNI ON, POLY Mode 2 : OMNI ON, MONO O : Yes
Mode 3 : OMNI OFF, POLY
Mode 4 : OMNI OFF,
MONO X
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