---
title: DIF (Hysteresis)
description: "![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__icon_Elektro-Wasser.png) **NOTE Only active if the following mode is activated CMO: HYS** Hysteresis setting in 2-point / hysteresis mode. Selection of a difference between the setpoint and actual temperature from 0.5 K to 2 K."
url: "https://faqdoc.info/en/systemauswahl/alpha-direct-en/alpha-direct-thermostat-55-matrix/dif-hysteresis/"
updated: "2026-09-30"
category: Alpha direct thermostat 55 Matrix
---

# DIF (Hysteresis)

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__icon_Elektro-Wasser.png)

**NOTE
Only active if the following mode is activated CMO: HYS**

Hysteresis setting in 2-point / hysteresis mode. Selection of a difference between the setpoint and actual temperature from 0.5 K to 2 K.