Source Audio Mercury Flanger - Page 25

SA240 Mercury Flanger User’s Guide 25
The plug going to the tap tempo footswitch must be TRRS and have the signal connections as shown
in the following figure.
The tap tempo switch needs to be more than a simple switch; a pull-up resistor and RC passive low
pass filter are required. The circuit for the footswitch is shown in the following figure:
Ground 3.3V Power
No Signal Switch