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Suunto 3 Fitness
The Bluetooth can also be completely turned off by activating airplane mode, see 3.3.
Airplane mode
3.6. Button lock and screen dimming
While recording an exercise you can lock the buttons by keeping the lower right button
pressed. Once locked, you cannot change the display views, but you can turn on the
backlight with any button press if the backlight is in automatic mode.
To unlock, keep the lower right button pressed again.
When you are not recording an exercise, the screen dims after a short period of inactivity. To
activate the screen, press any button.
After a longer period of inactivity, the watch goes into hibernation mode and turns the screen
off completely. Any movement reactivates the screen.
3.7. Chest heart rate sensor
You can use a Bluetooth
Sensor, with your Suunto 3 Fitness to get accurate information about your exercise intensity.
If you use the Suunto Smart Sensor, you also have the added advantage of heart rate
memory. The sensor memory function buffers data if the connection to your watch is
interrupted, for example, when swimming (no transmission under water).
It also means you can even leave your watch behind after starting a recording. For more
information, please refer to the Suunto Smart Sensor User Guide.
See 3.19. Pairing PODs and sensors for instructions on how to pair an HR sensor with your
watch.
3.8. Device info
You can check details of your watch software and hardware from the settings under General »
About.
3.9. Display theme
To increase the readability of your watch screen while exercising, you can change between
light and dark themes.
With the light theme, the display background is light and the numbers dark.
With the dark theme, the contrast is reverse, with the background dark and the numbers light.
The theme is a global setting that you can change in your watch from any of your sport mode
options.
To change display theme in sport mode options:
1. From the watch face, press the upper right button to scroll to Exercise and press the
middle button.
2. Go to any sport mode and press the lower right button to open the sport mode options.
3. Scroll down to Theme and press the middle button.
4. Switch between Light and Dark by pressing the upper right and lower right buttons, and
accept with the middle button.
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Smart compatible heart rate sensor, such as the Suunto Smart
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