The Echo T3 is not a "smart" GPS computer; it relies on a magnet and sensor attached to your front wheel. To work correctly, you must input your tire’s Wheel Size (WS) in millimeters. Without the manual, you’re guessing. Additionally, the button combinations (setting the clock, resetting odometers, changing KM/H to MPH) are not intuitive.
Here is everything the official manual covers: echo t3 cycle computer manual free
| Icon/Symbol | Meaning | |-------------|---------| | ODO | Total odometer (non-resettable) | | DST | Trip distance (resettable) | | MAX | Maximum speed | | AVS | Average speed | | TM | Ride time (stopwatch) | | CLK | Clock (12/24 hour) | | SCAN | Rotates through all modes automatically | | +/- | Comparison to average speed | The Echo T3 is not a "smart" GPS
J. Carter, L. Wei
Department of Technical Communication, Open University (fictitious) The Echo T3 is a wired bicycle computer
If the computer is showing "0" or blank while you ride, the sensor alignment is likely the issue.
The Echo T3 is a wired bicycle computer designed to provide essential ride data. It focuses on the core metrics needed for casual riding and commuting.
Key Features: