What do the LED patterns indicate on my PS-100?

• See below.

  LED Pattern	Notification
  	The device is in Airplane Mode.
  	The remaining battery level on the device is low.
  	The device cannot detect your heart rate. Make sure the Pulsense device does not touch your ulna bone. Warm your wrist or fingertips if they are cold.
  	The device cannot detect your heart rate. Make sure the Pulsense device does not touch your ulna bone.
  	This is an alert. The alerts depend on your settings. You can set up a wake-up alarm, or the device can alert you when you receive an email, call, or calendar notification. This pattern appears when heart rate detection begins.