VACUUBRAND DVR 4S - Manual (Page 8)

page 8 of 20
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.: 99 90 72 / 13/08/2005
Display
vacuum units
(user selectable electronic
scale conversion)
adjustment mode/
warning symbol
indicator “less than
1 minute to automatic
switch-off”
replace power supply unit/
display of power supply unit capacity
ON/OFF key
UP/DOWN key
MODE key
The keys are on the rear side
of the device underneath the
symbols at the front side.
Keys
Use and operation
Select desired vacuum unit by using key UP/
DOWN.
Switch between vacuum units:
During switch on, press key MODE simultane-
ously.
☞ The vacuum unit used during the last opera-
tion is displayed.
Press key ON/OFF to enter the selected vacuum
unit and to terminate mode.
Torr
+
mbar
Upon switching on, the absolute pressure (total
pressure, independent of gas type) ranging from
1080 mbar to 1 mbar is displayed in the selected
vacuum unit (Torr, mbar or hPa).
☞ The pressure transducer has been adjusted in
the factory. In general, there is no need for re-
adjustment by the user because of the excel-
lent longtime stability (see section ”Readjust-
ment”).
Pressure measurement: