1.2 WRIST UNIT BUTTONS AND SYMBOLS
Note: Pressing a button briefly (approximately one second) has a different effect than pressing and holding the button for a longer period of time (at least two seconds).
Light
• Switch the backlight on.
By pressing and holding the Light button, you can: 
Lock and unlock all the buttons, except the Light button, in the Time of Day display or while recording your exercise. Press and hold the Light button until Buttons Locked or Unlocked is displayed.
Back
•Exit the displayed menu and return to the previous level.
•Cancel the selection and leave the setting as it was.
•Switch the alarm off.
By pressing and holding the Back button, you can:
•Return to the Time of Day display from any menu.
•Enter the Watch settings from the Time of Day display.
Heart Touch
In the Exercise mode, you can see the time of day by bringing the wrist unit near the Polar logo on the transmitter.
•Move up in the menus and selection lists.
•Increase the selected flashing value when 
is on the display.
By pressing and holding the 
button you can:
•Change the display in the Time of Day display.
•Change the top row information in the Exercise recording mode.
OK
•Enter the menu in the Time of Day display.
•Enter the displayed menu.
•Accept your selection.
By pressing and holding the OK button, you can start exercise recording from the Time of Day display.
•Move down in the menus and selection lists.
•Decrease the selected flashing value when
is on the display.
By pressing and holding the 
button, you can change the time zone in the Time of Day display.
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