Thermo Scientific RadEye B20 Operating Instructions Manual page 24

To select a menu option, release the "Menu/◄" key as the
respective menu option has been reached.
The meaning of the Menu key may change with the selected
menu. The meaning is shown on the bottom of the display.
: Edit values
Change
, : Switching a function on and off
Off On
: Select a default display mode
Select
: Confirmation of an action
Yes
: Exit menu
Exit
In Change menu the "▲/Info" and "▼/On" keys are used to
change a digit of an alarm value.
3-2 DB-065 E
Iw/Tr/Ff 06.03.2017
RadEye B20/-ER