Agilent Technologies Helium Leak Detector
DRAFT 12/11/17
43
1.5 Home Screen
VENT The VENT button advances the leak detector to the vented state.
The red vent symbol in the middle of the switch remains red while
the leak detector is in Vent.
TEST When the system is in the Vent or Hold states, pressing the TEST
button automatically advances the leak detector through roughing,
then through the various test states, depending on the achievable
test port pressures and leak rates.
Press the TEST button while in TEST to isolate the test port from the
leak detector vacuum system.
HOLD With the leak detector in Test/Fine Test mode, press TEST again and
the leak detector goes into HOLD mode, isolating the leak detector
from the unit under test.
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