DUO - User Manual Pg 10
The device is OFF. All
functions of the device are
disabled.
The device is ON but not
paired. Active LED blinks every
1.5 seconds. The device is
discoverable and ready to
connect via Bluetooth.
The device is ON and paired
with a phone/tablet. Active
LED is lit and solid. The device
is streaming live audio and
ECG to the paired device.
change is indicated by the
active LED in the LED ring
rotating to a new position.
The device is ON and has low
LED turns on. Device functions
normally.
The device is ON and its
The LED flashes rapidly for 4
device will no longer stream or
playback audio or ECG.
The device is OFF and is
charging. The lights flash
in the LED ring in a circular
The device is OFF and fully
charged.
3.2 LED Indicator Lights