Varian 990 dCLD II, Operation Manual

Page: 89 / 162

Model 990 dCLD II Component Leak Detector
4-15
4.6.3 Units Set-Up
Touch the UNITS SET-UP box to display the Units Set-Up screen (Figure 4-12). This setup
screen is used to select the leak rate and pressure units that are displayed on the leak rate
bar graph, and in the Gauge Calibration screen, Section 4.7.3 “Gauge Calibration” on
page 4-20. Note, this change is effective immediately upon selection.
Figure 4-12 Units Set-up Screen
LEAK RATE UNITS Touch the LEAK RATE units selection 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 selection box to switch units between
Torr, mbar, and Pa.
4.6.4 Range Stop and Manual Range Set Up and Control
Touch the LEAK RATE RANGE SET-UP box to display the Leak Rate Ranging Set-Up screen
(Figure 4-13). From this screen, set up and enable the RANGE STOP and MANUAL RANGE
functions, set the TOP RANGE, and control the TURBO speed. For a discussion of how to
determine these values, see Section 3.3.1 “Parameters and Operating Modes” on page 3-7.
Figure 4-13 Leak Rate Ranging Set-Up Screen
UNITS SET-UP
USE
atm-cc/sec
USE
Torr
LEAK RATE PRESSURE
BACK
LEAK RATE
OUTPUT
CAL
LEAK
SET-UP
REJECT &
AUDIO SET
POINTS
RANGING
SET-UP
CONTROL
SET-UP
TO
SERVICE
MENU
ZEROING
SCREEN UNITS
SET-UP
BACK
BACK
LEAK RATE
OUTPUT
CAL
LEAK
SET-UP
REJECT &
AUDIO SET
POINTS
RANGING
SET-UP
CONTROL
SET-UP
TO
SERVICE
MENU
ZEROING
SCREEN UNITS
SET-UP
LEAK RATE RANGING SET-UP
BACK
OK
ESC
MANUAL RANGE
STOP
10-XX
OFF ON
TOP
RANGE
10-XX
TURBO
SPEED
FAST
DN
UP
NXT
10-XX
RANGE