POLAR FS3c - Manual (Page 6)

35 ENGLISH
1.2 WRIST UNIT FRONT BUTTON AND DISPLAY SYMBOLS
This section contains information on how to operate the wrist unit and a symbols guide for reading the data on the display.
Polar FS1, FS2c and FS3c heart rate monitors have one operating front button.
Front button functions:
• Start and stop heart rate measurement and stopwatch.
• Move forward to the next mode.
• Lock your selection/desired value.
• Return to the Time of Day display from any mode except Exercise mode (EXE) by pressing and holding the button.
• Activate the target heart rate zone alarm in Exercise mode by pressing and holding the button.
• Activate the backlight (FS2c/FS3c)
- You can activate the night mode in the Time of Day display by pressing and holding the front button. A button press
activates the backlight in any mode if the night mode is active. The night mode is turned off automatically after fi ve
minutes timeout if you do not press the front button. If you press the front button again before the timeout occurs,
the backlight is activated again, and the timeout is reset. If you start to exercise when the night mode is on,
the mode stays on until the end of the exercise. During the exercise you can activate the backlight with Heart Touch.