3. OPERATION
Page 47 © 1998 DH Instruments, Inc.
3.4.2 HEAD
PURPOSE
To specify the length unit of measure for head height entry in the HEAD function and the test
gas type used for head pressure calculations (see Section 3.2.7).
OPERATION
From the main run screen, press the SPECIAL menu
key and the select 2Head. The display is:
Head height unit
1in 2cm
Select the desired head height unit. The next
display is:
1N2 2He 3Air
Select the type of gas that is being supplied to PPC2 AF. The characteristics of the gas
selected will be used by PPC2 AF in calculating head pressures.
3.4.3 CONFIG
PURPOSE
To run an automated routine that readjusts internal pressure control characteristics.
OPERATION
See Section 5.1.1.
3.4.4 INTERNAL
PURPOSE
To set, adjust, maintain and diagnose various aspects of PPC2 AF's internal operation.
OPERATION
To access the internal selections press 4Internal
under the SPECIAL menu. The display is:
1AutoZ 2Cal 3Remote
4Date 5Reset 6Level
7Atm 8Maint
Select the internal function desired. For a detailed description of each internal function see
Sections 3.4.4.1 to 3.4.4.8.
Some screens go beyond the two lines provided by the display. This is indicated by a
flashing arrow in the second line of the display. Use the and arrow keys to move
the cursor to access the lines that are not visible or directly enter the number of the
desired menu choice if you know it.
3.4.4.1 AUTOZ
PURPOSE
To change the offset (zero) of the Lo and Hi reference pressure transducers
relative to a reference value.
OPERATION
See Section 5.2.
To Next Page
Loading...