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5
Technical Information
User Interface
During running of the various tests, the items forming the list of tests
are ticked with a “v” if the test is passed or combined with the “!”
symbol in the case of difficulties in running the tests If, in particular
conditions, some of the tests have to be repeated, the HID highlights
this conditions with the “R” (to be Repeated) symbol combined with
an indication of the test concerned.
The “PS” (Power Supply) symbol is highlighted on the “Battery test”
line if the battery is not present or if the fuse inside the battery has
blown.
At the end of the test, a summary screen page is shown; if all the tests
have been passed, the message “Self-test performed successfully” is
displayed; if some of the tests have failed, a list of the problems
encountered is displayed for 20 seconds before automatic shut-down
of the PHD-4.
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PHD-4 Portable Helium Detector User Manual / 87-900-120-01 (F )
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