LED Sonar 3D-15

The table below shows the LED behavior of the Sonar 3D-15.

LED behavior	Description
No light	Power is off
Solid green	Powering on
Flashing green, mostly off (slow, about every second)	Power on, acoustics disabled
Flashing green, mostly on (slow, about every second)	Power on, acoustics enabled
Flashing green for a few seconds	Diagnostics blink initiated from GUI or API
Flashing green (fast, many times a second)	Sonar is in thermal shutdown