Turning off Omni Mode on the JX3p If you wish to turn off the Omni Mode on the JX3p, do as follows: 1) Turn the power off. 2) Connect a MIDI cable from the JX3p's MIDI out jack to its MIDI in jack. 3) Turn the power on. 4) Press any note on the keyboard. The JX3p will now only recieve on MIDI channel 1.