Varian 979 Series, Operation Manual

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Model 979 Series Helium Mass Spectrometer Leak Detector
2-28
DRAFT 9/15/03
2.7 Second Menu Selection Screen
The Second Menu screen (Figure 2-17) displays the screens available for performing general
set-up and service functions. Touch the BACK box from this screen to display the First Menu
screen. Touch the NEXT box to display the Home screen. UNITS SET-UP is described in this
section. The VERSION and SERVICE menus are discussed in Section 3 “Service”. These
menus include procedures that are generally performed outside of day-to-day operations.
Figure 2-17 Second Menu Screen
2.7.1 Units Set-Up
Touch the UNITS SET-UP box to display the Units Set-Up screen (Figure 2-18).
Figure 2-18 Units Set-Up Screen
2.7.1.1 Leak Rate and Test Port Pressure Units Selection
Select the leak rate and test port pressure units to be displayed on the leak rate bar graph
and the digital touch screen display.
LEAK RATE UNITS Touch the LEAK RATE units toggle box to switch the leak rate units
between atm-cc/sec, mbar-l/sec, Torr-l/sec, and Pa-m
3
/sec.
PRESSURE UNITS Touch the PRESSURE units toggle box to switch the test port pres-
sure units between Torr, mbar, and Pa.
BACK
UNITS
SET-UP
NEXT
VERSION
SERVICE
MENUS
LEAK RATE
CAL
TRANSFER
LEAK
SET-UP
AUTO
SEQUENCER
SET-UP
RANGING
SET-UP
NEXT
POINTS
SET-UP
ROUGH
PUMP
SET-UP
REJECT &
AUDIO SET
POINTS
OUTPUT
CONTROL
SET-UP
BACK
UNITS SET-UP
USE
atm-cc/sec
USE
Torr
LEAK RATE PRESSURE
DONE BACK
UNITS
SET-UP
NEXT
VERSION
SERVICE
MENUS