E N G L I S H

Service

During the two-year guarantee/warranty period, we recommend that you service the product at an authorized Polar Service Center only. The warranty does not cover damage or consequential damage caused by service not authorized by Polar Electro. For further information, see ”Limited International Polar Guarantee”.

Changing Batteries

To change the batteries of the running computer, transmitter, and stride sensor* yourself, carefully follow the instructions in Install Stride Sensor Battery. All batteries are changed the same way. For further information on changing the foot pod* battery, see Install Foot Pod Battery.

If you would prefer Polar to replace the battery, contact an authorized Polar Service Center. The Service will test the sensor after replacing the battery.

Excessive use of the backlight drains the running computer’s battery more rapidly. In cold conditions, the low battery indicator may appear,

and disappear again when you return to a warmer environment. To ensure the maximum lifespan of the battery cover, open it only when changing battery. When changing the battery, make sure the sealing ring is not damaged, in which case you should replace it with a new one. Battery kits with sealing rings are available at well-equipped Polar retailers and authorized Polar Service Centers. In the USA and Canada, sealing rings are available at authorized Polar Service Centers only.

Keep batteries away from children. If swallowed, contact a doctor immediately. Batteries should be properly disposed of according to local regulations.

*Optional S1 foot pod/s3 stride sensor W.I.N.D. required.

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Polar RS400 manual Service, Changing Batteries
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RS400 specifications

The Polar RS400 is a sophisticated heart rate monitor designed for athletes and fitness enthusiasts who seek to optimize their training and performance. Combining advanced technology with user-friendly features, the RS400 stands out as a versatile tool for monitoring workouts and enhancing overall fitness levels.

One of the key features of the Polar RS400 is its precision heart rate measurement capability. It utilizes a comfortable, chest strap that transmits real-time heart rate data directly to the wrist unit. This ensures that users can monitor their heart rate continuously during workouts, allowing for more tailored training sessions that align with personal fitness goals.

The RS400 incorporates Polar's unique Smart Coaching technology, which provides customized training guidance and feedback. This includes heart rate target zones, allowing users to train at the optimal intensity level for fat burning, endurance, or performance improvement. The device also offers a Fitness Test feature that evaluates cardiovascular fitness and tracks changes over time, providing valuable insight into the user's fitness progression.

Another notable aspect of the Polar RS400 is its training program capabilities. Users can create and follow specific training plans that suit their individual needs, whether for general fitness or preparing for an event. The device can store data from multiple training sessions, making it easy to track and analyze performance over time. This history can be crucial for identifying patterns, progress, and areas that need improvement.

In terms of physical characteristics, the Polar RS400 features a sleek, lightweight design that ensures comfort during prolonged use. The display is clear and easy to read, even in various lighting conditions, while the user interface is intuitive, allowing athletes to navigate through features effortlessly. Furthermore, the device is water-resistant, making it suitable for various outdoor and recreational activities, including swimming and running.

Battery life is another aspect where the Polar RS400 excels, offering extended usage between charges, which is essential for long training sessions or competitions. Additionally, synchronization with Polar's software allows users to upload their training data for detailed analysis and progression tracking.

In conclusion, the Polar RS400 is an exceptional training companion for those serious about their fitness journey. With its advanced heart rate monitoring capabilities, Smart Coaching features, and a user-friendly design, it remains a top choice for athletes looking to maximize their training efficiency and achieve their fitness goals.
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