Using The Product; Controls On The Measuring Instrument - TESTO 545 Instruction Manual

Using the product

Controls on the measuring instrument

The instrument is switched on.

The testo Smart App is installed on the smartphone and connected

to the instrument via Bluetooth

Settings and controls are implemented either on the instrument or via
the app.
If the measuring instrument is connected to the testo Smart App,
settings can only be made via the app. The measuring instrument then
remains in the measurement view and other menus, e.g. Settings,
cannot be opened.
1 On/Off / MODE/END
Bluetooth
2
3 Battery indicator
4 Current measured value
5 Selected unit
►
6 Print /
7 Illumination
key
◄
®
/ key
key
/ MENU/ENTER
®
.
key
7 Using the product
11