Polar CS400 Bicycle Heart Rate Monitor Watch User Manual

About this manual

This manual introduces the Polar CS400 bicycle heart‑rate monitor watch, its components such as the heart‑rate sensor, speed sensor, and optional accessories, and explains how the device works with the Polar ProTrainer software.

It provides step‑by‑step instructions for basic setup, wheel‑size entry, language selection, user profile configuration, creating and editing training programs, and troubleshooting common issues like sensor errors or memory warnings. This manual is written in Japanese.

What's inside

• Product Introduction
• Components
• Starting Exercise
• Basic Setup
• Training Preparation
• Training Programs
• Language Selection
• Wheel Size Settings
• Troubleshooting
• Service Information

Specifications

Frequently asked questions

How do I change the language on the CS400?

Select the Language option in the menu and choose English, Deutsch, Español, Français or Italiano.

How do I set the wheel size for my bike?

Measure the wheel diameter in inches or read the BTRTO marking on the tire and enter the value in the setup.

What should I do if the heart‑rate sensor does not work?

Check that the sensor is within 1 m, ensure good skin contact, verify the battery, and follow the troubleshooting steps in the manual.