3. OPERATION
Page 79 © 2002-2007 DH Instruments, a Fluke Company
The LO VNT function setting always applies to the active Q-RPT module,
whether the module is internal to PPC3 or in an external RPM4
(see the RPM4 Operation and Maintenance Manual).
3.5.8 <8CAL>
PURPOSE
To calibrate the PPC3 utility sensor, Hi and/or Lo Q-RPTs and adjust the on-board
barometer. This function is considered part of PPC3 maintenance and is therefore covered
in the maintenance section of this manual (see Sections 5.2, 5.3, 5.4).
PRINCIPLE
See Sections 5.2, 5.3 and 5.4.
OPERATION
See Sections 5.2, 5.3 and 5.4.
3.5.9 <9LOG>
PURPOSE
To view and/or clear the PPC3 event log.
PRINCIPLE
PPC3 records to a log each time one of the following events occurs:
• Pmax! of an internal PPC3 Q-RPT or utility sensor is exceeded (see Section 3.4.4.1).
• A memory fault occurs.
Over pressure events on external Q-RPTs are not logged on the PPC3. They are logged in the
RPM4’s log (see the RPM4 Operation and Maintenance Manual).
OPERATION
To view the event log press [SPECIAL], <9Log>.
Use [
] and [ ] to move back and forth between older and newer log entries.
Each log entry has two screens, one with the event description and one with the even time and
date. Use [
] and [ ] to toggle between the two screens. The oldest logged event appears.
After the last log has been viewed, the option to clear the log, <1no>, <2yes> is presented. Use
<2yes> to remove all entries from the log. Use <1no> to continue without altering the log.
To leave the log, use [ESC].
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