Echo J7 Cycle Computer Manual Upd Link
: Rotate the sensor so it faces the magnet. The distance between the magnet and the sensor must be between 1mm and 3mm .
Displays your actual speed while moving. This value is always shown on the top half of the 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
Look for any crimps or breaks in the wire leading from the fork to the handlebars. Inaccurate Speed/Distance
Advance through the flashing digits using the to change values and the Left button to skip forward. If starting fresh, leave this value at 0000.0 . Step 4: Set the Clock (CLK) : Rotate the sensor so it faces the magnet
: CR2032 3V Lithium coin battery (found in both the head unit and wireless transmitters).
Roll your bike on the ground, mark one tire rotation, measure the distance in mm, and enter that exact number. This value is always shown on the top half of the screen
: If using heart rate or cadence sensors, access the pairing menu and activate the sensors (usually by moving them) so the head unit can detect the wireless signal. Troubleshooting Common Issues No Speed Reading
Accumulates the total distance traveled across all rides since the last battery change.
Next, a four-digit number will flash (default is usually 2060 ). This is your wheel circumference value in millimeters. Use the to change the flashing digit. Use the Left button to advance to the next digit.