20
10.1.1 Switching between the menu levels
Change to the
submenu
►
Select [EF] or [SIM] and switch to the submenu by pressing
[Enter]�
Back to the process
value display
►
Change from the submenu to the main menu, from the main
menu to the process value display with [▲] or [▼]
or timeout:
►
wait for 30 seconds
or escape function:
► press [▲] and [▼] simultaneously.
10.1.2 Locking / unlocking
The unit can be locked electronically to prevent unintentional settings� On delivery:
not locked�
Locking
►
Make sure that the unit is in the normal operating mode�
► Press [▲] and [▼] simultaneously for 10 s.
> [Loc] is displayed�
During operation: [Loc] is briefly displayed if you try to change
parameter values�
Unlocking
► Press [▲] and [▼] simultaneously for 10 s.
> [uLoc] is displayed�
[Loc]
[uLoc]
10.1.3 Timeout
If no button is pressed for 30 s during parameter setting, the unit returns to the
operating mode with unchanged parameter�