Gadget II LED Status Indicators

Question

What does the status of the LED on the Gadget II indicate?

A bi-color indicator LED is located next to the USB connection.

The LED indicates the connection status between Gadget II and your computer.

The LED illuminates in the following conditions:

Solid red during USB enumeration
Solid green once enumerated (recognized as a USB device).
Blinking green on receipt of a command from the USB host (Data being sent to/from program, active output)
Slow blinking red while waiting for firmware
Rapid blinking red during firmware receipt/upgrade
Solid green once firmware upgrade is complete