: Navigate to the ODO (Odometer) screen. Press and hold the SET button (or both buttons simultaneously on some versions) to enter calibration.
(Note: If you want a precise measurement, roll your wheel one full rotation on the ground and measure the distance in millimeters.) echo j7 cycle computer manual
18;write_to_target_document1a;_71rtac6TCcuqptQPxrfV4Qs_20;604; : Navigate to the ODO (Odometer) screen
: Fix the magnet to a wheel spoke. It must pass within 1–4 mm of the sensor's guideline to register speed. echo j7 cycle computer manual
The Echo J7 is a wireless cycling computer designed for tracking essential ride metrics like speed, distance, and time on a large LCD display Core Features & Functions Multiple Data Displays
Attach the sensor to the front fork using cable ties. It should face inward toward the spokes.