2-pin Product Select Buttons

1703 Technical Tips: Using 2-pin Buttons with 4-pin PSB Ports

To use 2-pin switches or push-buttons with 4-pin ports, orient the port with the "bar" on top as shown. Plug the 2-pin PSB on the right two pins.

Test each button. If the PSB does not work, check to make sure it is plugged into the correct pins.