TESTO 550s - Device Info

8 Using the product
45
8.4.9 Device Info

The Settings menu is activated.
1
Press [▲] / [▼] to select [Device
Info] and press [Menu/Enter] to
confirm.
-
The Versions Info menu is displayed.
The following information can be viewed:
• Serial number
• Firmware version
• Refrigerant version
• BLE (Bluetooth Low Energy) version
2
Press [ESC]: 1 x Units menu, 2 x main menu view, 3 x measurement
menu view.