INFICON UL5000 Dry Helium Leak Detector - Manual (Page 51)

Description of the Menu
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6.3 Mode
• Main Menu > Mode
The mode menu Fig. 6-4 enables the submenu to select the different working modes.
Fig. 6-4: The Mode Menu
Key No. Name Description
1 Cancel
Return to the main menu without any changes
of the present settings.
7 Vacuum
The normal vacuum mode will be used.
Vacuum mode with the possibility to use
HYDRO•S.
HYDRO•S improves your time to test. Water
vapor desorption in a test object generates an
unwanted background signal. HYDRO•S
separates and eliminates this signal from the
helium signal, so testing can begin sooner.
After changing to this mode, a new calibration
necessary. Please refer to Chapter
6.6.1.4 ,
HYDRO•S automatic ON.
5 Not used in this menu.
3 Sniff
The sniff mode will be used. Please refer to
Chapter
4.3.2 Sniffer Mode .
8 OK
Save the settings and return to the previous
menu.