Ui-30 - Bike computer Echowell - Free user manual and instructions
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| Type of product | Bike computer |
| Brand | Echowell |
| Model | Ui-30 |
| Dimensions | Approx. 4.5 x 3.5 x 1.5 cm |
| Weight | ~30 g (including battery) |
| Power supply | 1x CR2032 lithium battery |
| Display | LCD screen |
| Functions | Current speed, average speed, maximum speed, trip distance, total distance, clock, stopwatch, auto start/stop |
| Speed range | 0.0 – 99.9 km/h or mph |
| Distance range | 0.00 – 999.99 km/mi |
| Odometer | 0 – 99999 km/mi |
| Wheel size setting | Adjustable for most bike wheel sizes |
| Mounting | Handlebar mount, fits 22-32 mm diameter |
| Sensor | Wired/wireless (assumed wired for this model) |
| Water resistance | Splash proof (IPX4) |
| Maintenance | Clean with soft damp cloth, avoid solvents; replace battery when low |
| Safety | Securely mount to handlebar; do not operate while riding; keep eyes on road |
| Spare parts / repairability | Battery (CR2032); bracket kit available separately; not user-serviceable internally |
| General information | Cycling computer for basic trip and speed data |
Frequently Asked Questions - Ui-30 Echowell
How do I install the Ui-30 on my bike?
Mount the bracket on your handlebar using the rubber straps. Attach the sensor to the fork and the magnet to a spoke. Pass the wire along the brake cable, then snap the computer into the bracket. Set the wheel size in settings.
How do I set the wheel size?
Press and hold the button for 3 seconds to enter settings. Use short presses to adjust the value. The correct circumference (in mm) is usually found in the manual or online based on your tire size.
What battery does the Ui-30 use and how do I replace it?
It uses one CR2032 lithium battery. Remove the computer from the bracket, open the battery compartment on the back, replace the battery with the positive side up, and close the cover.
How do I reset the trip distance or total distance?
To reset the trip distance (TRIP), press and hold the button for 2 seconds. The total distance (ODO) cannot be reset; it is permanent.
The display shows inaccurate speed or no reading. What should I do?
Check the alignment of the sensor and magnet (gap <3mm). Verify the wheel size setting. Ensure the battery is fresh. If wired, check for wire damage.
Is the Ui-30 waterproof?
It is splash-proof (IPX4), meaning it can withstand rain and splashes but should not be submerged or exposed to high-pressure water.
Can I use the Ui-30 at night?
Yes, but the display does not have a backlight. You will need external lighting to see the screen in darkness.
How do I switch between km/h and mph?
In the settings menu, look for the unit option. Press the button briefly to toggle between km/h and mph. Confirm by holding the button or waiting.
What is the warranty period for the Echowell Ui-30?
Typically, Echowell offers a 1-year warranty against manufacturing defects. Check with the retailer for specific terms.
My computer stopped working. How can I troubleshoot?
First, replace the CR2032 battery. Check all connections and sensor alignment. If still not working, inspect the wire for cuts. If all else fails, contact Echowell support.
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