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RACELOGIC Support Centre

05 - VB3iS Dynamic Modes

Introduction

VB3iS has three dynamic modes. These dynamic modes directly change the SMI smoothing index applied by the GNSS engine to all Doppler-derived data, notably speed and heading. The lower smoothing levels have a higher dynamic response but are adversely noisier.
 

The three options are:

  • High dynamics (default): Should be used for high accuracy trigger brake stops or any test where time and distance are critical and the vehicle test incorporates highly dynamic manoeuvres.
  • Medium dynamics: Suitable for any testing that does not involve any high dynamic manoeuvres.
  • Low dynamics: Can be used for less dynamic applications, such as steady state speed measurement or coast down testing.

Configuration

The dynamic mode can be changed via the VBOX Setup Software, the Front Panel of the unit or using the VBOX Manager.

VBOX Setup Software

  1. Ensure VB3iS is powered.
  2. Connect VB3iS to a computer using the supplied loom, connect an RLCAB001 cable to the 'CONFIG' lead and connect the serial plug to the computers serial port – this can be done via a serial > USB convertor if required.
  3. Open VBOX Setup and connect to VB3iS by selecting the correct COM Port.
  4. Select the 'GNSS' menu and then the 'Settings' tab.
  5. Choose the desired setting from the 'GNSS optimisation' options.
     

VB3iS Dynamic Modes VBS .png
 

  1. Select 'Write to unit' to save the settings.

Front Panel

  1. Press the 'OK' button to enter the menu, navigate to 'GNSS' and press the 'OK' button.
VB3iS Coldstart Front Panel1.png  
 
  1. Navigate to 'Dynamic Mode' using the 'Up' and 'Down' arrows. It will display whichever mode has been previously set.
VB3iS Dynamic Modes 1.png VB3iS Dynamic Modes 5.png
  1. If you would like to change the setting, press the 'OK' button then select the desired option using the 'Up' and 'Down' arrows.
VB3iS Dynamic Modes 2.png VB3iS Dynamic Modes 3.png
  1. Press the 'OK' button again to confirm.
VB3iS Dynamic Modes 4.png  
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