Use the SET button to enter calibration mode for changing units (Km/H or Mile/H) or the clock.
(often associated with the brand ) is a wireless bicycle computer designed for versatile performance tracking. One of its standout features is its multi-functional wireless sensing system
Keep this article bookmarked, share it with a riding buddy, and enjoy the data on your next century ride. echo j7 cycle computer manual
| Problem | Likely Fix | |---------|-------------| | No speed reading | Magnet not passing sensor; adjust gap to 2mm. | | Speed jumps erratically | Wheel size incorrect; remeasure tire circumference. | | Display fades | Replace CR2032 battery. | | All data resets randomly | Battery loose or dead; add a paper shim inside battery compartment. | | Buttons not responding | Dry unit completely (moisture issue). Open and air-dry for 24 hours. |
Secure it tightly using the provided zip ties or rubber O-rings. Use the SET button to enter calibration mode
Roll the bike forward in a perfectly straight line until the tire completes one full rotation and the valve stem is back at the bottom. Mark the ground at this second location.
Test that the magnet passes the sensor within 1–3mm without hitting it. Secure the wire with tape or zip ties. 3. Initial Setup: Wheel Size & Settings | Problem | Likely Fix | |---------|-------------| |
The computer needs your wheel circumference in millimeters (mm).