FORCE 20 WLS Bicycle Computer - Instruction Manual

Product Overview

The FORCE 20 WLS is a wireless bicycle computer with 20 functions, including temperature, trip memory for 7 days, and comparison of current/average speed. It supports 2 user profiles (A/B) and 5 languages.

Key Features:

• 2 Wheels Size Setting A/B
• Temperature display
• 5 Languages
• Trip Memory 7 Days
• Comparison of Current/Average Speed
• 12/24 Hour Time Format
• Total Kilometers (Odometer)
• Speed Unit Setting
• Scan Mode
• Stopwatch
• Light function

Dimensions and Weight:

• Models 39110-39111/39121-39123: 56x44x18mm / 25g
• Models 39140-39146: 61x44x18mm / 30g

Wireless Transmission: 125KHZ low-frequency transmission.

Installation and Setup

Parts Included in Set: Bicycle Computer, Transmitter, Magnet, Adhesive Pad, Battery.

Setting Wheel Circumference:

1. Determine the correct wheel circumference.
2. Input the circumference value into the computer.

Transmitter and Magnet Installation:

1. Place the transmitter on the side with the "sensor" sign closer to the magnet (on the inner side of the fork).
2. Ensure the distance between the speed sensor and the magnet is correct (refer to manual for specific distances). The magnet is compatible with aero spokes.
3. For accurate measurement, sit on the bicycle while measuring. Recommended installation by 2 people.

Setting Up the Computer:

• To enter the setup mode, press and hold the MODE button for at least 2 seconds while in the clock display mode.
• Use the MODE button to cycle through settings and the SET button to confirm or adjust values.
• Switching Between User Profiles (A/B): Hold the SET button for 3 seconds to automatically switch between Mode A and Mode B.

Data Reset:

• To reset TRIP data (RTM, DST, AVS, MXS), press and hold the SET button after resetting individual values.
• ODO (total kilometers), MEMORY, and CLOCK values cannot be reset.

Features and Functions

Scan Mode: Press MODE to turn on SCAN mode. The computer will automatically cycle through DIST, RIDE TIME, AVG SPEED, MAX SPEED every 4 seconds.

Trip Memory (7 Days): Stores measured values for the last 7 days. Press SET to view daily values. Data is displayed in the order: DATE, AVG-S, MXS, DST (changes automatically).

Speed Comparison: A dynamic arrow below the speed value indicates if the current speed is lower or higher than the user's average speed.

Temperature: Displays the current ambient temperature.

Clock: Displays time in 12/24 hour format.

Stopwatch: Functionality for timing events.

Light: Backlight function for display visibility.

Troubleshooting

No Speed Display or Incorrect Speed Readings:

• Check if the computer is in setup mode.
• Ensure the battery is correctly installed and has sufficient power.
• Verify the distance between the speed sensor and magnet is correct.
• Check if the wheel circumference setting is accurate.
• Adjust the position/angle of the sensor and magnet.
• Ensure the computer is not too far from the transmitter or that the angle is incorrect.
• Keep the computer away from sources of electromagnetic interference.

No Display, Dark, or Poorly Readable Display:

• Replace the battery.
• Check battery installation (ensure it's not backwards).
• Place the computer in an environment with a lower ambient temperature if it has been exposed to high temperatures or direct sunlight.

Display Slowly Updates or Climate Temperature is Low:

• Place the computer in a normal temperature environment.

Possible Wireless Signal Interference:

• Interference may occur near mobile phones, computers, TVs, power banks, other wireless transmitters/devices, high-voltage sources, railway tracks, radars, etc.

Important Notes and Safety

• The computer is water-resistant (IPX6) and can be used in light rain. For heavy rain, store the computer in a dry place. If moisture enters the computer, remove the battery and dry it in a warm, dry place (do not use a hairdryer). The computer is not waterproof; do not immerse it in water.
• Always pay attention to riding and road traffic.
• Do not disassemble or modify the computer or its parts.
• Dispose of old batteries and electronic equipment (computers) in accordance with environmental regulations.

Specifications

Measured Data and Range:

Warranty

Warranty does not apply to damage caused by excessive temperatures, mechanical damage from drops, improper repair, improper installation, or improper use. The current version of the manual and declaration of conformity can be found on the website www.FORCE.BIKE.