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LED Behaviour

Updated on May 22, 2026

Solid green indicates that a suitable power source is connected, unit is fully booted and ready to use.

Image depicting a solid green PWR LED on VBOX 3i ADAS.

Solid green indicates that a suitable power source is connected, unit is fully booted and ready to use.

Image depicting a solid green PWR LED on VBOX 3i ADAS.

Solid red indicates that the VBOX is not ready to operate, either because it is still booting up, settings are being written to the unit or because there is an error condition.

Image depicting a solid red PWR LED on VBOX 3i ADAS.

Solid red indicates that the VBOX is not ready to operate, either because it is still booting up, settings are being written to the unit or because there is an error condition.

Image depicting a solid red PWR LED on VBOX 3i ADAS.


Solid green indicates that the event marker input has been activated/triggered.

Image depicting a solid green D IN LED on VBOX 3i ADAS.

Solid green indicates that the event marker input has been activated/triggered.

Image depicting a solid green D IN LED on VBOX 3i ADAS.


Flashing green indicates that expected incoming CAN data has been decoded properly and is being logged.

GIF depicting a flashing green RLCAN LED on VBOX 3i ADAS.

Flashing green indicates that expected incoming CAN data has been decoded properly and is being logged.

GIF depicting a flashing green RLCAN LED on VBOX 3i ADAS.


Flashing green indicates that expected incoming CAN data has been decoded properly and is being logged.

GIF depicting a flashing green CAN LED on VBOX 3i ADAS.

Flashing green indicates that expected incoming CAN data has been decoded properly and is being logged.

GIF depicting a flashing green CAN LED on VBOX 3i ADAS.


Flashing yellow indicates that there is incoming Serial traffic through this socket.

GIF depicting a flashing yellow SER LED on VBOX 3i ADAS.

Flashing yellow indicates that there is incoming Serial traffic through this socket.

GIF depicting a flashing yellow SER LED on VBOX 3i ADAS.


V2 Bluetooth module – Flashing blue indicates Bluetooth is initialising communications with a Bluetooth device.

GIF depicting a flashing blue Bluetooth LED on VBOX 3i ADAS.

V2 Bluetooth module – Flashing blue indicates Bluetooth is initialising communications with a Bluetooth device.

GIF depicting a flashing blue Bluetooth LED on VBOX 3i ADAS.

Solid blue indicates the VBOX unit has a Bluetooth connection with another Bluetooth device.

Image depicting a solid blue Bluetooth LED.

Solid blue indicates the VBOX unit has a Bluetooth connection with another Bluetooth device.

Image depicting a solid blue Bluetooth LED.


Flashes blue when data is being written to the card.

GIF depicting a flashing blue CF LED on a VBOX 3i ADAS.

Flashes blue when data is being written to the card.

GIF depicting a flashing blue CF LED on a VBOX 3i ADAS.


Solid green when the VBOX is capturing data to the CF card.

GIF depicting a flashing green LOG LED on VBOX 3i ADAS.

Solid green when the VBOX is capturing data to the CF card.

GIF depicting a flashing green LOG LED on VBOX 3i ADAS.


Flashing red indicates no satellites in view.

GIF depicting a flashing red SATS LED on VBOX 3i ADAS.

Flashing red indicates no satellites in view.

GIF depicting a flashing red SATS LED on VBOX 3i ADAS.

A flashing green sequence indicates the number of GNSS satellites currently being tracked. Each flash indicates a satellite with a short pause between each sequence.

GIF depicting a flashing green SATS LED on VBOX 3i ADAS.
Sequence showing 4 Satellites

A flashing green sequence indicates the number of GNSS satellites currently being tracked. Each flash indicates a satellite with a short pause between each sequence.

GIF depicting a flashing green SATS LED on VBOX 3i ADAS.
Sequence showing 4 Satellites


Flashing orange indicates DGPS is set but not locked (either 2 cm RTK, 40 cm local DGPS or NTRIP).

GIF depicting a flashing orange DIFF LED on VBOX 3i ADAS.

Flashing orange indicates DGPS is set but not locked (either 2 cm RTK, 40 cm local DGPS or NTRIP).

GIF depicting a flashing orange DIFF LED on VBOX 3i ADAS.

Solid orange indicates a Float RTK status (either 2 cm RTK or NTRIP) or a Fixed DGPS lock (40 cm local DGPS or SBAS).

Image depicting a solid orange DIFF LED on VBOX 3i ADAS.

Solid orange indicates a Float RTK status (either 2 cm RTK or NTRIP) or a Fixed DGPS lock (40 cm local DGPS or SBAS).

Image depicting a solid orange DIFF LED on VBOX 3i ADAS.

Solid green indicates a Fixed RTK lock (either 2 cm RTK or NTRIP).

Image depicting a solid green DIFF LED on VBOX 3i ADAS.

Solid green indicates a Fixed RTK lock (either 2 cm RTK or NTRIP).

Image depicting a solid green DIFF LED on VBOX 3i ADAS.


Solid orange indicates that the IMU integration is enabled but that no IMU is connected or that the detected IMU is invalid.

When using an IMU04, you must make sure that it is:

  • connected using an RLCAB119 to the 25-way D connector
  • is set to Racelogic CAN mode
  • is running the latest release firmware
Image depicting a solid orange IMU LED on VBOX 3i ADAS.

Solid orange indicates that the IMU integration is enabled but that no IMU is connected or that the detected IMU is invalid.

When using an IMU04, you must make sure that it is:

  • connected using an RLCAB119 to the 25-way D connector
  • is set to Racelogic CAN mode
  • is running the latest release firmware
Image depicting a solid orange IMU LED on VBOX 3i ADAS.

Flashing orange shows IMU is connected and integration initialisation is running. This will not be completed until the VBOX unit has had a satellite lock while being stationary for 30 seconds.

GIF depicting a flashing orange IMU LED on VBOX 3i ADAS.

Flashing orange shows IMU is connected and integration initialisation is running. This will not be completed until the VBOX unit has had a satellite lock while being stationary for 30 seconds.

GIF depicting a flashing orange IMU LED on VBOX 3i ADAS.

Flashing green indicates that the integration Initialisation is complete – movement not yet detected.

GIF depicting a flashing green IMU LED on VBOX 3i ADAS.

Flashing green indicates that the integration Initialisation is complete – movement not yet detected.

GIF depicting a flashing green IMU LED on VBOX 3i ADAS.

Solid green indicates that it has detected movement – the IMU integration is working.

Image depicting a solid green IMU LED on VBOX 3i ADAS.

Solid green indicates that it has detected movement – the IMU integration is working.

Image depicting a solid green IMU LED on VBOX 3i ADAS.