dataPAC User’s Guide 237
Appendix
Appendix
Frequently Asked Questions and Answers
This section contains the most frequently asked questions about using the dataPAC.
General dataPAC Questions
Q: Why does my dataPAC beep for no apparent reason?
Some dataPAC models beep intermittently, sometimes at a very low volume, for no apparent
reason. This beep is harmless but can be annoying. Contact Entek IRD Customer Support to
arrange for servicing. If you send the unit in, Entek IRD can eliminate this beep.
Q: What do I do if the dataPAC locks up?
If the dataPAC locks up and does not respond to key presses, simply press <LIGHT> and
the left and right arrow keys simultaneously. This is sometimes referred to as a three finger
reset. If you have the operating system stored on the memory card, the dataPAC loads that
operating system. If not, you can load the operating system over the serial port from your
computer. See “Restarting the Data Collector” on page 29 for more information about
restarting your dataPAC.
Collecting Data with the dataPAC
Q: How can I reduce the ranging time required during
collection?
Long ranging times are associated with trying to collect low frequency vibration data.
Applying an overall filter helps reduce long ranging times. In particular, overall filters with
the highest low frequency cutoff point decrease ranging time the most. Try to set your max
frequency and lines of resolution such that the formula results in the highest value that
would be practical in your application.
Another technique that can reduce ranging time is to only use filters that are built into the
data collector.
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