IFM Electronic TW2000 - 10�1�1 Switching between the Menu Levels; 10�1�2 Locking; Unlocking; 10�1�3 Timeout

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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�