---
title: Switching the device on / off
description: "![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_1-1-1-1-1024x1024.jpg) **Switching off** Press and hold the following key for 5 sec.: ![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png) Navigate to the **OFF**menu item using the following button ![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_up_down-1.png) Press and hold the following button for about 2 sec.: ![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png) **Einschalten** Zum Wiedereinschalten die folgende Taste…"
url: "https://faqdoc.info/en/systemauswahl/alpha-direct-en/alpha-direct-thermostat-55-matrix/switching-the-device-on-off/"
updated: "2026-09-30"
category: Alpha direct thermostat 55 Matrix
---

# Switching the device on / off

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_1-1-1-1-1024x1024.jpg)

**Switching off**
Press and hold the following key for 5 sec.:

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png)

Navigate to the **OFF**menu item using the following button

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_up_down-1.png)

Press and hold the following button for about 2 sec.:

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png)

**Einschalten**
Zum Wiedereinschalten die folgende Taste für ca. 5 Sekunden gedrückt halten:

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png)

---

**NOTE**
The key ![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png) remains dimly lit after switching off.