Varian 990 dCLD II, Operation Manual

Page: 88 / 162

Model 990 dCLD II Component Leak Detector
4-14
4.6.1.1 Selecting Internal or External Calibrated Leak for Calibration
Touch the USE INT/EXT LEAK toggle box to switch between selecting whether the
990 dCLD II performs an automated calibration to the internal calibrated leak standard sup-
plied with the leak detector, or to an external calibrated leak placed in the test port.
INTERNAL LEAK Touch the USE INT/EXT LEAK toggle box to switch to USE INT
LEAK. Check or change the values of the internal leak in the
INTERNAL LEAK VALUE box. The values you enter must be in the
units specified in the Units Set-Up screen (Section 4.6.3 “Units
Set-Up” on page 4-15).
EXTERNAL LEAK Touch the USE INT/EXT LEAK toggle box to switch to USE EXT
LEAK. Check or change the values of the external leak in the
EXTERNAL LEAK VALUE box. The values you enter must be in the
units specified in the Units Set-Up screen (Section 4.6.3 “Units
Set-Up” on page 4-15).
4.6.1.2 Selecting Normal or Fast Calibration Routine
Touch the USE NORM/FAST CAL toggle box to switch between NORMAL CALIBRATION
and FAST CALIBRATION modes.
4.6.2 Reject and Audio Set Points
Touch the REJECT & AUDIO SET POINTS box to display the Reject and Audio Set Points
screen (Figure 4-11). From this screen, set the parameters to enable/disable, display and/or
change the value of the four reject set points and the audio set point using the procedure
outlined in “Changing Variables in Touch Panel Screens” on page -5.
Figure 4-11 Reject and Audio Set Points Screen
REJECT SET POINTS Touch the REJECT SET POINT #1 (2 , 3 or 4) box to change each
reject’s set point value. Touch the ON/OFF toggle box located to
the right of each set point field to turn the Reject Point on or off.
AUDIO SET POINT Touch the AUDIO SET POINT box to change the threshold leak
rate value. Touch the ON/OFF toggle box located to the right of the
audio setpoint box to turn the Audio Set Point on or off.
BACK
LEAK RATE
OUTPUT
CAL
LEAK
SET-UP
REJECT &
AUDIO SET
POINTS
UNITS
SET-UP
RANGING
SET-UP
CONTROL
SET-UP
TO
ZEROING
SCREEN
SERVICE
MENU
ZEROING
SCREEN UNITS
SET-UP
REJECT SET POINT #3: X.XE-XX
REJECT SET POINT #1: X.XE-XX
REJECT SET POINT #2: X.XE-XX
REJECT SET POINT #4: X.XE-XX
AUDIO SET POINT: X.XE-XX
OFF
OFF
OFF
ON
ON
REJECT AND AUDIO SET POINTS
BACK
OK
ESC
DN
UP
NXT