4-8
Equipment Settings
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4.4.4
Selecting the search level and the lower display limit
The
SEARCH
LEVEL
as well as the
LOWER
DISPLAY
LIMIT
can be edited by going to the
SEARCH
&
LIMIT
line item in the
EDIT
GAS
submenu and pressing
EDIT
.
The
SEARCH
LEVEL
is an additional warning level which can be entered as a
percentage of the trigger level.
A warning signal will be issued for leaks that are below the trigger level but above
search level in order not to miss small leaks.
The
SEARCH
LEVEL
may be set to values between 5 and 100 % with the two
UP
an
DOWN
buttons on the left side of the display. The absolute value of the search level
is displayed at the bottom of the menu page.
Default value: 90%
For each gas the lower display limit may be edited with two
UP
and
DOWN
buttons on
the right side of the display. The absolute value of the lower display
LIMIT
is displayed
at the bottom of the menu page. Available factors are 1, 2, 5, 10, 20, 50, 100.
4.4.5
Enabling / disabling internal calibration
To enable or disable the internal calibration go the
INTERNAL
CAL
line item in the
EDIT
GAS
menu page and press enter.
In the opening menu page enabled or disabled can be selected.
If an internal calibration of a chosen gas is not allowed (as the corresponding mass
position is outside the 40 to 105 amu range) the
INTERNAL
CAL
line item in the
EDIT
GAS
menu page will state “impossible” and this function will not be available.
Fig. 4-9 Editing the search level and the lower display limit
Содержание Ecotec E3000
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