3. GENERAL OPERATION
Page 47
© 1998-2008 DH Instruments, a Fluke Company
3.9
DIRECT FUNCTION KEYS
3.9.1
DIRECT FUNCTION KEYS SUMMARY
Local operator interface with PG7000 is provided by PG Terminal keypad and display.
To minimize the use of multi-layered menu structures, the keypad’s numerical keys also
provide direct access to the most commonly used functions. The function accessed is
labeled on the bottom half of the each key. Direct function keys are active whenever PG7000
is in a run screen (MAIN, SYSTEM or AMBIENT). Table 14 summarizes the operation of the
direct function keys. Section 3.8 provides a flow chart of PG Terminal general operation.
See corresponding manual Sections to 3.9.1 to 3.11.9.
It may be useful to keep a copy of Table 14 near the PG7000, especially when first becoming
acquainted with its operation.
Table 14.
Summary of PG7000 Direct Function Key Operations
DIRECT FUNCTION KEYS ARE ACTIVE FROM ANY RUN SCREEN
(main, ambient, system).
See corresponding manual sections for full detail.
Menu of less frequently used internal
functions and settings including resets,
user preferences, internal calibration
and remote interface setup.
Set the resolution of PG7000 mass
loading commands (0.01 g to 0.1 kg).
Edit and select files that determine the
sources of the values for the variables
PG7000 uses in calculations of reference
pressures.
Access SYSTEM run screens (2) which
display current measurements of piston
behavior, piston-cylinder temperature
and reference vacuum if present.
Toggles between the two screens.
Select pressure to mass or mass to
pressure operation.
Access AMBIENT run screen which
displays current values of barometric
pressure, ambient temperature, ambient
humidity and local gravity as specified in
the active SETUP file.
Activate motorized control manually
(optional feature on PG7102, PG7202 and
PG7302). Activates when pressed,
deactivates when released.
Adjust height of DUT fluid head
correction. Set to zero to defeat head
correction.
From a run screen: Access mass or
pressure setting commands.
From other screens: Select menu
choice, enter value, confirm selection.
Select active piston-cylinder module
(range).
Turn automatic activation of motorized
rotation ON/OFF (optional feature on
PG7102 and PG7302).
Set unit of measure in which pressures
are defined. Choice of units available
from this key can be customized.
Turn automated pressure
generation/control ON/OFF, adjust
control parameters, set upper limit for
automated pressure control. Has no
effect if an automated pressure
generation/control component is not part
of the PG7000 system.
Set pressure measurement mode
(gauge, absolute, differential).
Содержание PG7000
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