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2.2 LED Behaviors
Bluetooth LED (Blue)
Status
Description
Blink once per three seconds
Not linked
Blink once per second
Linked
GPS LED (Green)
Status
Description
Blink once per second
Position fixed
Steady on
Position not fixed
Power LED (Red/Orange)
Status
Description
Red light steady on
Battery low
Off Battery
good
Orange light steady on
Battery charging
2.3 Power Button
Action
Function
Press and hold the button for 1 second while off
Power turned on
Press and hold the button for 1 second while on
Power turned off
2.4 Power-saving function
When you start the power of the Bluetooth GPS Receiver BT-821, if the Bluetooth is not
connected to any devices within 10 minutes, BT-821 will turn off the power
automatically, and all the LED will go off simultaneously.
