
Function of each button
The function for each button changes depending on which screen is displayed.
Time screen
Operation buttons
Button Operation
Explanation
A
Short press
Measures heart rate.*
Long press (two
seconds or more)
Turns the power on or off.
B
Short press
Turns the light on or off. The light turns on for approximately 10
seconds.
Long press (two
seconds or more)
Displays the
Settings
menu.
U
“Setting screen (
Settings
menu/
Measure set.
menu)” on
page 18
C
Short press
Performs GPS positioning, and displays the measurement screen.
U
“Measurement screen” on page 17
Long press (two
seconds or more)
Changes to indoor mode (GPS off).
U
“Indoor mode” on page 32
D
Short press
Displays a record of the measurement history (history screen).
U
“History screen” on page 19
Long press (two
seconds or more)
Performs Bluetooth
®
communication. Use this when uploading
measurement data.
*
Measures your heart rate when worn on your arm.
U
“Wearing the device” on page 29
User Manual
Preparing and Basic Operations
16