This document is the user manual for RS300X running heart rate monitor, which introduces its basic settings, pre-training, during training, post-training, and other functional settings.
This manual explains how to set up and use the Polar RS300X jogging heart‑rate monitor watch. It covers basic configuration, language selection, personal data entry (weight, height, birth date, sex) and optional accessories such as the Polar S1 speed sensor and Polar G1 GPS sensor.
The document is organized into sections for starting the device, pre‑training health checks, training operation, post‑training review, detailed settings, and customer‑service information including warranty terms and legal notices. This manual is written in Chinese.