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Button functions and LEDs

OH1 has one button that has different functions depending on the situation of use, and how long it is pressed. The LED on the device indicates different modes. See below what functions the button has in different modes, and what the different colored LEDs mean.

Quick Instructions Inside Armband Holder

The following markings are visible inside the sensor holder in the armband. The markings explain the OH1 basic button functions.

1X = ON (Set power ON: Short button press)

2X = REC (Set training recording ON - Use as an independent training device: Press button twice when OH1 is on)

1X LONG - OFF (Set power OFF: Long button press)

Button Functions

Set power ON: Short button press
Set training recording ON (Use as an independent training device): Press button twice when OH1 is on
Set power OFF: Long button press

LED Guide

During charging

Charging: Yellow LED blinks slowly
Battery full: Green LED continuously on

After setting power on

Battery status normal: Green LED blinks five times
Battery status low: Red LED blinks five times

When used as a sensor

Heart rate not detected: White LED blinks once every two seconds
Heart rate detected: Green LED blinks once every two seconds

When used as an independent training device

Training recording set on but first time use not done: Red LED blinks three times
Heart rate not detected: White LED blinks quickly twice
Heart rate detected: Green LED blinks quickly twice
Battery low: Green and Red LED alternate every other second
Battery critical: Red LED blinks quickly

During fitness test

Heart rate not detected: White LED blinks once every two seconds
Heart rate detected: Purple LED blinks once every two seconds

Other

Connecting, Syncing or Pairing: Blue LED blinks
Searching or waiting for confirmation: Blue LED blinks quickly
Updating firmware: Blue LED continuously on
Error: Red LED continuously on