Press the to toggle between kilometers and miles. Press the Left Button to confirm your choice. Step 3: Enter the Wheel Circumference (Cc Code)
: Used to cycle through display modes (ODO, DST, MXS, AVS, TM). Left Button
The hour digits will flash. Press to advance the hour, then press SET . echo t3 cycle computer manual free
| Tire Size | Width (approx) | Circumference (mm) | | :--- | :--- | :--- | | | Standard | 1580 | | 24 inch | Standard | 1880 | | 26 inch | 1.75" (MTB) | 2050 | | 26 inch | 2.00" (Wide MTB) | 2070 | | 26 inch | 2.25" (Fat Tire) | 2105 | | 27.5 inch (650b) | 1.75" - 2.10" | 2150 - 2180 | | 27.5 inch (650b) | 2.25" | 2215 | | 28 inch / 700c | 23mm (Road) | 2096 | | 28 inch / 700c | 25mm (Road) | 2110 | | 28 inch / 700c | 28mm (Road) | 2136 | | 28 inch / 700c | 32mm (Hybrid) | 2168 | | 28 inch / 700c | 35mm (Cyclocross) | 2188 | | 29 inch | 2.10" (MTB) | 2230 | | 29 inch | 2.25" (MTB) | 2280 |
If you need to change any settings in the future without changing the battery, use a paperclip to press the recessed button on the back of the device to re-enter the programming mode. Press the to toggle between kilometers and miles
: This site provides a text-based version of the Echo 3 Cyclocomputer Manual , complete with the official tire size reference table. While not a PDF, the essential information is directly accessible.
Mount the wired sensor to the inside of the fork blade using zip ties. Do not tighten them completely yet. Left Button The hour digits will flash
Ensure the magnet passes within 1–3mm of the sensor. If the gap is too wide, the computer won't register your speed. 2. Battery Replacement
Press to choose between a 12-hour (AM/PM) or 24-hour format. Press SET to confirm.
If your computer doesn't know the exact circumference of your tire, your speed and distance readings will be inaccurate.
Press the button to toggle between kilometers and miles. Press the SET button to confirm your choice. Adjusting the 12/24 Hour Clock The clock digits will begin flashing.
Press the to toggle between kilometers and miles. Press the Left Button to confirm your choice. Step 3: Enter the Wheel Circumference (Cc Code)
: Used to cycle through display modes (ODO, DST, MXS, AVS, TM). Left Button
The hour digits will flash. Press to advance the hour, then press SET .
| Tire Size | Width (approx) | Circumference (mm) | | :--- | :--- | :--- | | | Standard | 1580 | | 24 inch | Standard | 1880 | | 26 inch | 1.75" (MTB) | 2050 | | 26 inch | 2.00" (Wide MTB) | 2070 | | 26 inch | 2.25" (Fat Tire) | 2105 | | 27.5 inch (650b) | 1.75" - 2.10" | 2150 - 2180 | | 27.5 inch (650b) | 2.25" | 2215 | | 28 inch / 700c | 23mm (Road) | 2096 | | 28 inch / 700c | 25mm (Road) | 2110 | | 28 inch / 700c | 28mm (Road) | 2136 | | 28 inch / 700c | 32mm (Hybrid) | 2168 | | 28 inch / 700c | 35mm (Cyclocross) | 2188 | | 29 inch | 2.10" (MTB) | 2230 | | 29 inch | 2.25" (MTB) | 2280 |
If you need to change any settings in the future without changing the battery, use a paperclip to press the recessed button on the back of the device to re-enter the programming mode.
: This site provides a text-based version of the Echo 3 Cyclocomputer Manual , complete with the official tire size reference table. While not a PDF, the essential information is directly accessible.
Mount the wired sensor to the inside of the fork blade using zip ties. Do not tighten them completely yet.
Ensure the magnet passes within 1–3mm of the sensor. If the gap is too wide, the computer won't register your speed. 2. Battery Replacement
Press to choose between a 12-hour (AM/PM) or 24-hour format. Press SET to confirm.
If your computer doesn't know the exact circumference of your tire, your speed and distance readings will be inaccurate.
Press the button to toggle between kilometers and miles. Press the SET button to confirm your choice. Adjusting the 12/24 Hour Clock The clock digits will begin flashing.
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