IP Switches - arthurbenemann/ardupilot GitHub Wiki
Instructions: This just shows the position of the four DIP switches on the IMU shield. The role of each DIP switch is described here.
http://ardupilot-mega.googlecode.com/svn/ArduPilotMegaImages/dipswitches.jpg
Typical data:
http://ardupilot-mega.googlecode.com/svn/ArduPilotMegaImages/diptest.png
Troubleshooting: