50 Description of the Menu
iina74e 06.fm technical handbook(1408)
When switched to Stand-by / Vent again a new internal background is calculated
after 25 s. The updated value is underlined. This means that if you press START
when the value is underlined, the actual background signal will be subtracted. If you
press START when the value is not underlined, the old background signal from the
last Stand-by will be subtracted.
6.2.6 Decimal places
• Main Menu > View > Decimal places
The number of the decimal places of the displayed leak rate can be chosen. The
default setting is 1.
Two decimals are especially useful, when the I•CAL leak rate filter (
Please refer to
Chapter
6.6.5.3) is used.
6.2.7 Lower display limit
• Main Menu > View > Lower display limit
This parameter defines the lower leak rate limit in the measurement ranges. This is
valid for vacuum modes only.
Softkey 3: 1
The leak rate will be displayed with one decimal place.
Softkey 7: 2
The leak rate will be displayed with two decimal places.
Softkey 3, 7: Changing of the lower detection limit between 1×10
-5
and 1×10
-
12
Softkey 5: ?
Help