Epson PS-500 User Manual page 25

Stopping and starting heart rate measurement
Manual.
1 To stop measuring your heart rate, press the [A] button.
2 Confirm by pressing the [A] button again.
Note:
If the [A] button was pressed accidentally, it will return to the time screen after 10 seconds. You can also
hold the [B] button to return to the previous screen.
Automatic.
If you remove the PS-500 and no movement is detected, the device will automatically enter sleep mode.
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