12
3 Operation
3.1.2
Selecting/exiting menus and menu items
Functions, applications and settings etc. are selected via the
main menu (for short:
Menu
). This
menu
has submenus and
menu items. Refer to section 3.2.1 for information on accessing
the menu.
Selecting submenus/menu items
Submenus and menu items are selected and opened using the
jog dial and/or the function keys.
In measuring mode the name of the selected application is in-
dicated by the symbol at the top left of the display. You can find
detailed information on selecting and switching applications in
Exiting menus/menu items
There are generally two ways to exit open menus/menu items
and return to the next level up:
●
Press
Esc
●
Select
Back
from the menu
3.1.3
Switching the device on
Note:
Always switch the device on with fresh air.
1. Press the ON/OFF key. The device switches on.
The switching on process involves an internal check.
Process
Test purpose
Buzzer emits audible
signal.
Is the audible signal working?
Signal light gives visual
signal.
Is the visual signal working?
Display is inverted.
Are there pixels missing from the
display?
