Operation
VA 550 English V1.21 Page 29 of 53
8 Operation VA 550
Remark: In version with display only
The operation of the VA 550 are carried out by 2 optical keys through the glass cover Thus, the VA 550 can
be operated from the outside without opening the cap.
Selection of the individual menu items is done by pressing the ">" and confirm by pressing "OK".
Inputs or changes can be made with all white deposit fields, selcted filed will be highlighted with yellow
background.
Words in green font refer mainly to the pictures in the section of the chapter, but also on important menu
paths or menu items that are related to are in green font.
The menu navigation is generally in a green font!
The table of contents and chapter references in blue font contain links to the respective chapter title.