Decathlon BTWIN 120 - User Manual

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SAFETY PRECAUTIONS

WARNING : FAILURE TO FOLLOW THESE WARNINGS MAY RESULT IN SERIOUS INJURY OR PROPERTY DAMAGE AND WILL VOID THE WARRANTY.

- Do not change the position of the sensor when riding. The spokes of the wheel may cut your ngers.

- Do not always watch the informations of the bike computer when riding. Keep your eyes on the road. You may crash if you don’t stay concen-

trated on the road.

Most injuries are caused by misuse and/or not following instructions. Use caution when using this product.

USER INSTRUCTIONS

HOW TO USE

Carefully follow the assembly instructions for a proper

installation.

STORAGE

EN - General instructions for use

For US market

IMPORTANT

- Decathlon is not liable f

or accidents or injuries due to improper use of the product, failure to apply to the instructions given in this guide,

or modications to the product.

- To avoid serious injury or death, follow the safety information in this document.

- Keep these instructions.

- While every effort has been made to ensure that the information contained in the guide is accurate and complete, Decathlon is not liable

for any errors or omissions

- This bike computer is not a toy. This product is not intended for use by children 12 years of age or younger. Youth of ages 13 to 17 should

only use the product under the direct supervision of an adult. An adult should review and explain the full set of instructions in this guide

with the youth (age 13 and over) before the use.

- This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause

harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

- CAUTION: changes or modications not expressly approved by the party responsible for compliance could void the user’s authority to

operate the equipment.

- NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC

Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment

generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful

interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off

and on, the user is encouraged to try to correct the interference by one or more of the following measures:

-- Reorient or relocate the receiving antenna.

-- Increase the separation between the equipment and receiver.

-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-- Consult the dealer or an experienced radio/TV technician for help.

BIKE COMPUTER 120 INSTRUCTIONS

Made in China

DECATHLON SA - 4 Boulevard de Mons - BP

299 59650 Villeneuve d’Ascq cedex - France

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Overview

Function Description
Key Functions and Navigation
Reset Functionality
Important Technical Specifications (derived from setup and settings)
Usage Features
Maintenance Features
Safety Precautions
General Information

The device described in the manual is the B'TWIN 120 Bike Computer. It is a cycling accessory designed to provide riders with various data about their rides, including speed, distance, and time. The manual is provided in English and is intended for the US market. The device is manufactured in China by DECATHLON SA.

Function Description:

The B'TWIN 120 Bike Computer serves as a digital display for essential cycling metrics. It allows users to monitor their performance and track progress during rides. The device features a clear display that shows different data points depending on the selected mode. It can be viewed both at a standstill and while cycling.

Key Functions and Navigation:

The bike computer offers several display modes, accessible through navigation buttons:

Settings Menu: Allows configuration of various parameters.
Time: Displays the current time.
Instantaneous Speed: Shows the current speed (0 Km/h when at standstill).
Total Distance: Accumulates the total distance covered over all rides. This value can be reset.
Partial Distance: Tracks the distance for the current ride. This value can be reset.
Average Speed: Calculates the average speed for the current ride. This value can be reset.

Reset Functionality:

The device allows for resetting specific data points:

Partial Distance Reset: Clears the distance accumulated for the current ride.
Average Speed Reset: Clears the calculated average speed for the current ride.
All Reset: A comprehensive reset option is available in the settings menu to clear partial distance, total distance, and average speed.

Important Technical Specifications (derived from setup and settings):

Power Source: The device uses a CR2032 3V battery for operation.
Units: Users can select between kilometers (Km) and miles (Miles) for distance and speed measurements.
Wheel Circumference Setting: The device requires the user to input the wheel circumference for accurate speed and distance calculations. This can be done by selecting a predefined diameter (e.g., 26", 27.5", 28", 29", 650, 700) and then a specific tire width (e.g., 1.75, 1.95, 2.0, 2.1, 2.2 for 26" wheels; 23, 25, 28, 32, 35, 38, 40, 42, 45 for 700 wheels). If the specific tire size is not listed, the user can manually enter the exact circumference in millimeters.
Time Format: The time display can be set to either 12-hour or 24-hour format.

Usage Features:

First Use Setup:
- Initial Power On: The device is turned on by pressing a button for 2 seconds.
- Time Setting: Users set the current time, including hours and minutes.
- Diameter/Wheel Circumference Setting: This crucial step involves selecting the correct wheel diameter and tire width to ensure accurate data. The manual provides a detailed flow for selecting common sizes or manually entering the circumference in millimeters.
Installation: The manual provides detailed assembly instructions for proper installation of the bike computer, sensor, and magnet on the bicycle.
- Mounting the Computer: The main unit (E) is mounted on the handlebar using a bracket (A) and rubber bands (C).
- Sensor Installation: The sensor (B) is attached to the fork using rubber bands (C). It's important to ensure the sensor is positioned correctly, with a gap of less than 5mm from the magnet.
- Magnet Installation: The magnet (D) is attached to a spoke on the wheel. The magnet must align with the sensor for accurate readings.
Turn On/Off:
- Manual On/Off: The device can be manually turned on or off.
- Automatic On/Off: The bike computer also features an automatic on/off function, likely triggered by movement or inactivity, to conserve battery.
FCC Compliance: The device complies with Part 15 of the FCC Rules, indicating it has been tested and found to meet limits for a Class B digital device. Users are advised about potential interference and how to mitigate it.

Maintenance Features:

Replacing Batteries: The manual provides clear instructions on how to replace the CR2032 3V battery. This involves opening the battery compartment, replacing the old battery with a new one, and ensuring proper sealing.

Safety Precautions:

The manual emphasizes several safety warnings:

Improper Use: Decathlon is not liable for accidents or injuries due to improper use, failure to follow instructions, or modifications to the product.
Children's Use: The product is not a toy and is not intended for children 12 years or younger. Youth aged 13-17 should use it under adult supervision, with an adult reviewing and explaining all instructions.
Sensor Position: Do not change the sensor position while riding, as spokes may cause injury.
Road Focus: Do not constantly watch the bike computer while riding; keep eyes on the road to avoid crashes.
Misuse: Most injuries are caused by misuse and/or not following instructions.
FCC Interference: Users are warned about potential harmful interference and advised on measures to correct it (reorienting antenna, increasing separation, connecting to different circuit, consulting technician).