If you have just purchased an or found an old unit in your gear bag, you already know that a reliable cycling computer is essential for tracking speed, distance, and time. However, like many budget-friendly, feature-packed odometers, the Echo J7 can be confusing to set up without the original documentation.
For accurate speed and distance, you must enter the correct wheel circumference (in millimeters). : Switch the display to the ODO (Odometer) mode. Step 2 : Press the SET button to enter calibration mode. echo j7 cycle computer manual
If the LCD becomes faint or numbers behave erratically, replace the battery. If you have just purchased an or found