Entering Skan/Correlation Parameters - GE TransPort PT878GC User Manual

April 2009

Entering Skan/Correlation Parameters

To open the Skan/Correlation window in the Skan/Measure
option, press the [ ] arrow key three times (from the All tab) to
reach the Correlate tab, and press
similar to Figure 4-14 below.
All
Max Threshold
Measure Only
Figure 4-14: The Correlate Window in the Skan/Measure
To identify the peak of the received signal, the PT878GC uses the
"Threshold" method, in which the peak is identified as the point
where the signal crosses a threshold that is a percentage of the
maximum signal detected.
1. The first prompt, Min Threshold, asks for the minimum
percentage of peak used to measure transit time.
a. Press
[ENTER]
b. Use the numeric keys to enter the recommended value.
c. Press
[ENTER]
4-32
Skan/Measure
Integrate Count
Min Threshold
Percent Peak
Cancel
Option
to enter the text box.
to confirm the entry.
[ENTER]
. The screen appears
Correlate
-100
100
-40
OK
Programming Site Data
%
%
%