The Echo J7 utilizes a 5-button layout (L, R, Up, Down, Enter).
To ensure your device works correctly, verify that you have all the standard components listed in the original Cyclocomputer Echo J7 manual package: Cyclocomputer Echo J7 Manual
The Echo J7 uses three buttons. Their locations vary slightly (side vs. front), but the labeling is standard: , MODE , and START/STOP . The Echo J7 utilizes a 5-button layout (L,