# Recalibrate Specification

Sets the display to match the touchscreen accurately.

The display coordinate system is matched to the touchscreen coordinate system in order to recieve input from the user. The physical position of the screen may vary from unit to unit during manufacture; hence the need to rematch (or recalibrate) the coordinate systems.

Status: RT

## Use Cases

- First Use

  When first powered on, the touchscreen and display coordinate systems may not match. The recalibration of the touchscreen and display is mandatory for successful use.

## Features

- Multiple hitpoints: Using multiple targets increases accuracy.

## Prerequisites

- Pointing device: A stylus is required to accurately hit the calibration crosshairs.