User ManualTable of ContentsSafety and waste disposal31.1 About this document31.2 Safety31.3 Waste disposal42.1 Bluetooth module53.1 Use63.2 Instrument overview73.3 Displays overview83.4 Control keys overview93.5 Connection options overview94.1 Connecting114.2 Switching instrument on and off124.3 Switching background illumination on and off124.4 Setting units and AutoOff134.5 Displaying temperature values154.6 Establishing a Bluetooth® connection164.7 1.1. Overview of operating controls174.8 App options17Set “Language”17Display Tutorial18Display testo website18Display App Info184.9 List, graphic diagram and table view184.10 Exporting readings19Excel (CSV) Export19PDF Export19Exporting a graph204.11 Operating as a probe on the testo 57020Maintenance215.1 Changing batteries215.2 Cleaning the instrument226.1 Questions and answers236.2 Accessories and spare parts23Size: 624 KBPages: 27Language: EnglishOpen manual