DH Instruments PPC4, Руководство по эксплуатации и обслуживанию

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5. ADVANCED USER INTERFACE
Page 123 © 2009 DH Instruments, a Fluke Company
5.7.12.2 Control Reference

PURPOSE
To specify whether the PPC4 should automatically determine whether a vacuum
source or atmospheric pressure is connected to the
EXHAUST port and to
manually set the EXHAUST port condition (see Section 3.2.27.2).

OPERATION
[Settings], <More >>>, <Internal>,Control Reference opens the Control
Reference edit screen.
Setting: Auto or Manual.
Control Reference: Vacuum or Atmosphere
Note
Control Reference is only editable if Setting is set to Manual.
[OK] to accept and return to the Main Run Screen, [Back] to return to the ID
screen without making changes, [Esc] or

to exit to the Main Run Screen
without making changes.
5.7.12.3 Purge

PURPOSE
To enable or disable the PPC4 Purge function (see Section 3.2.27.4).

OPERATION
[Settings], <More >>>, <Internal>, Purge opens the Purge screen. The current
state of the Purge function is shown in gray. On to enable the Purge function.
Select Off to disable.
[Back] to return to <Internal> , [Esc] to return to the Main Run Screen.
5.7.12.4 Event log

PURPOSE
To view and/or clear the PPC4 event log (see Section 3.2.27.5).

OPERATION
[Settings], <More >>>, <Internal>, Event Log opens the Event log screen if there
are any entries in the log. If the word “None” is showing beside Event Log then
there are no events (Pmax or Memory faults) in the log. If there are any log
entries then the date and time of the last entry are shown.
In the Event Log screen the log entries may be scrolled through. When a given
date and time are selected the specific entry is shown above the selection box. If
the entry is a Pmax event then the specific RPT is indicated as well as the
maximum recorded pressure in units of Pa.
[Clear Log] deletes and resets the entire log. [Back] returns to the <Internal>
screen and [Esc] or

exits to the Main Run Screen.