04 - VBOX Speed Sensor LED Indicators

Updated on Mar 4, 2026

There are 3 LED indicators at the top of the VBOX Speed Sensor. These show the status of operation.

This LED indicates if the VBOX Speed Sensor is powered and working correctly.

Solid green LED = OK                              

Solid red LED = power is on, but the unit is not working correctly. 

  • A flashing red LED indicates that there are no satellites in view.

Sequence showing 0 Satellites

0_SATS2
  • A flashing green LED sequence indicates the number of satellites currently being tracked. Each flash indicates a satellite with a short pause between each sequence.

Sequence showing 1 Satellite
 

1_SAT2

Sequence showing 4 Satellites
 

4_SATS2


 

 

Flashes in time with the digital pulse output.

If the digital output is set to speed, the Event LED will flash green in time with speed at a rate of 1/10th of the digital output.

If the digital output is configured for the Lap Pulse,  the Event LED will light up in green for 1 second when the start line is triggered. The Event LED and Sats LED will both light up in green for 1 second when the finish line is triggered.
 

Note: The ALL the LEDs will be constantly red for the duration of a coldstart.