how do i play different notes/sounds? February 27, 2018 11:01 make sure write mode is disengaged. press buttons [1-16] to play different sounds. please refer to the guides for model specific operation. Related articles pocket operator - how do i synchronize using PO sync? [video] pocket operator - how do i clear a pattern? [video] PO-33 KO!, PO-35 speak, how do i record? pocket operator - how do i factory reset it? [video] pocket operator - what is write mode?