Customer Support


We are here to help you!

Monday – Thursday 09:00 – 17:00
Friday 09:00 – 15:00

Andreas Freiller

Customer Support

German customers can also reach our technical support via phone:
+49 (0) 241- 430 199 71

Support for UK customers is provided by Express Diagnostics:
+44 (0)1752 783508

Support for Danish customers is also provided via phone:
+45 61 42 60 77

To assist you with your questions Cortrium uses Teamviewer. You can download the latest version here.

Getting Started


Are you just getting started with your new device?

The Quick Start Guide will get you ready for your first recordings. In this guide, you will learn the basic usage and learn about the status coloring.

C3⁺ Quick Start GuideC3 Quick Start Guide

Instructions for use / Technical documentation


This is the official handbook and technical documentation of the C3.

C3 Instructions for Use (Technical Documentation)

Data Transfer Tool


To access the data stored on your device, you need to use our Data Transfer Tool.

Data Transfer Tool (v. 19.0.6.1)

Frequently Asked Questions (FAQ)


We have collected a number of common questions and issues in our FAQ section.

Frequently Asked Questions