10. Bottom-beam-state indicator (Blue)
6. Test indicator (Green)
5. Power indicator (Green)
4. Lockout indicator (Red)
3. ON/OFF-state indicator (Green/Red)
2. Stable-state indicator (Green)
1. Top-beam-state indicator (Blue)
4. Lockout indicator (Red)
3. ON/OFF-state indicator (Green/Red)
2. Stable-state indicator (Green)
1. Top-beam-state indicator (Blue)
7. Internal error indicator (Red)
6. Configuration indicator (Green)
5. Communication indicator (Green)
Emitter
Receiver
10. Bottom-beam-state indicator (Blue)