0_start.md

User Manual
====================================
![](pics/VECTOlarge.png)\
\
Version: VECTO 3.1 / VectoCore 3.1.0 / VectoCmd 3.1.0

---

VECTO is a tool for the calculation of energy consumption and CO~2~ emissions of vehicles. It models the components of a heavy-duty vehicle and simulates a virtual drive on a route. The goal is to provide a standardized way of calculating the energy consumption (fuel consumption) and corresponding CO~2~ emissions.


This User Manual consists of 4 Parts:

- [Graphical User Interface](#user-interface):
    : Describes the graphical user interface of VECTO with all windows and configuration possibilities.
- [Calculation Modes](#calculation-modes):
    : Describes the calculation modes of VECTO (Declaration, Engineering, ...). 
- [Simulation Models](#simulation-models):
    : This chapter describes the used component models and formulas which are implemented in the software. 
- [Input and Output](#input-and-output):
    : Describes the input and output file formats.

This user manual describes verson 3.1.x of Vecto.