Key facts
- Brand
- Polar
- Model
- RS400SD
- Documents
- 2
- Languages
- ZH
- Last added
- 2000-01-01
Start here
Polar RS400/RS400sd Jogging Heart Rate Monitor Watch User Manual
This manual introduces the RS400/RS400sd heart‑rate monitor, its accessories (including WearLink transmission belts and S1/S3 foot sensors), and guides you through basic settings such as language, time, units, weight, and height. It also explains how to attach the heart‑rate belt, calibrate foot sensors, and configure training programs.
Further sections cover training execution, data recording, low‑storage warnings, transferring data to Polar ProTrainer software, warranty information, regulatory compliance, and disposal instructions. This manual is written in Chinese.
Polar RS400SD specifications
| Battery type | AAA |
|---|---|
| Storage capacity warning | Low‑storage indicator appears when about 1 hour of recording remains |
| Warranty period | 2 years from purchase |
| Supported languages | English, Dutch, Spanish, French |
Source: Polar RS400/RS400sd Jogging Heart Rate Monitor Watch User Manual
All Polar RS400SD documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How do I change the language on the RS400?
Press the OK button to enter the language setting and select English, Dutch, Spanish, or French.
From: Polar RS400/RS400sd Jogging Heart Rate Monitor Watch User Manual
How do I replace the battery in the Polar S1 foot sensor?
Open the battery cover, insert an AAA battery, and close the cover securely.
From: Polar RS400/RS400sd Jogging Heart Rate Monitor Watch User Manual
What does the low‑battery indicator mean?
It shows the battery is low or expired; the warning may also appear in cold conditions and disappears when the watch returns to normal temperature.
From: Polar RS400/RS400sd Running Heart Rate Watch User Manual
How can I reset the watch if no buttons respond?
Press and hold all buttons for about 2 seconds until numbers appear on the display, then set the time and date again in the basic setup.
From: Polar RS400/RS400sd Running Heart Rate Watch User Manual