Description, Description“, pg. 14, Notice – VACUUBRAND VNC 2 User Manual
Page 14

Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999161 / 27/03/2012
Description
After the connection of components, the controller can be operated in different basic
modes, see „General view of factory-set modes“, pg. 19.
The vacuum controller
VNC 2 VARIO E operates only VACUUBRAND NT VARIO
pumps and pumping units.
When switching on the controller, the current basic mode and the
version number
are displayed for 2s.
Display and keys
key ”up”
- select menu
- previous menu item
- increase value
- venting during control
key ”down”
- select menu
- next menu item
- decrease value
- decreasing pressure during
control
key ”Enter”
- start of control
- next step in menu setting
- adopt set value and quit menu
Display
In menus
line1: caption
line 2: menu item
In submenus (only setting of RS 232C)
line 1: menu item (RS 232)
line 2: submenu
After selection of menu item
line 1: menu item (or submenu)
line 2: value to be set
In program
line 1: pressure
line 2: status message
mains switch
key ”Esc”:
- stop of control
- go to previous level of program
(operation menu)
- interruption of operation (reset to
previous settings)
- venting until atmospheric pres-
sure
(pressing > 2 seconds)
VNC 2
NOTICE