User manual

Operating Elements, LEDs and Connectors

33003962 11/2011

No. Element Description

1 Static function

keys

z access to a panel

z impulse command

z toggle command

2a Left/right

arrows in

control variant

(functional link

keys)

Navigation link keys:

z change panel in a menu

z display current alarms

Command link keys:

z impulse command

z toggle command

z variable write operation

2b Left/right

arrows in input

variant

(functional link

keys)

Navigation link keys:

z change panel in a menu

z display current alarms

z change digit in a variable field

during edition

Command link keys:

z impulse command

z toggle command

z variable write operation

3 ESC Cancel an entry or an action Return to the previous panel

4 DEL Clear the selected digit or field

5 Up/down

arrows

Go up, go down in a panel

(XBT N40• and NU400)

Increment/decrement the

selected digit

Select a value in a selection list

Increment/decrement the value

of a variable field

6 MOD Select a field Go to the next field

7 ENTER Confirm a selection or an entry Acknowledge an alarm