: Use the MODE button to toggle between Km/H and Mile/H . Press SET to confirm. Input Wheel Circumference : The screen will flash a four-digit number (e.g., 2124). Short press MODE to increase the flashing digit. Hold MODE to move to the next digit.
Pro tip: Mark your tire and the floor. Roll one full revolution. Measure the distance in MM. That is your number. echo j7 cycle computer manual
Disclaimer: Echo is a generic branding used by multiple manufacturers. While this guide covers 90% of Echo J7 units (labeled "ECHO" with a blue/silver casing), slight button variations exist. If your unit has three buttons, look for the "Echo J8" manual update on this site. : Use the MODE button to toggle between Km/H and Mile/H