Remove the computer head and replace the CR2032 battery. If left in direct sunlight or freezing conditions, the liquid crystal display (LCD) may temporarily fade but will recover in moderate temperatures. Current Speed (SPD) Displays Constant Zero
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.
Insert a with the positive (+) side facing up. Replace the cover and twist it firmly back into place. 2. Mount the Bracket
Elapsed trip time (RT), a 12/24-hour clock (CLK), and a stopwatch function.
Choose between 12-hour or 24-hour format using the . echo j7 cycle computer manual
If you have lost your , don’t worry. This post serves as a complete replacement guide, walking you through button functions, initial setup, sensor installation, and common fixes.
The small magnetic piece that attaches to your wheel.
Proper physical installation is critical. Misaligned components cause inaccurate readings or complete data failure. 1. Mounting the Bracket
Usually caused by an incorrect wheel circumference value or the magnet/sensor being bumped out of alignment. Remove the computer head and replace the CR2032 battery
The Echo J7 is a popular entry-level wireless cycle computer known for its large, easy-to-read screen and multi-function capabilities. If you’ve just unboxed yours or are trying to figure out why the speed isn’t reading, this guide covers everything you need to know.
: Secure the handlebar mount using the provided rubber bands or zip ties. Ensure the electrical contacts face upward and forward.
When the real-world clock hits that exact minute mark, press . The clock will sync up, starting its seconds counter from zero. Data Reset & Maintenance
until the flashing symbol changes to a digit (default is often 2155mm). Short press to increase the flashing digit by 1. Long press to move to the next digit. (on the back or side) to save the value. Set Clock: Navigate to the screen. Hold to enter adjustment mode, use to change values, and to confirm. 3. Physical Installation This is your wheel circumference value in millimeters
Measures current speed, average speed, max speed, trip distance (DST), odometer (ODO), elapsed time (TM), and includes a 12/24-hour clock. Uses a single LR44 (or AG13/A76) button cell battery.
While Echo does not offer an official PDF for the J7 model, you can:
Carefully wrap the sensor wire down your front brake cable or down the fork leg.