GE PT878 User Manual

Page of 297
Chapter 8. Servicing the PT878
182
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual
8.8.2 Setting up Peak Detection (cont.)
1.
The first prompt asks for the peak detection method. Use the [
W
] and 
[
X
] arrow keys to move to the appropriate radio button and press 
[ENTER]
.
If you have selected the peak detection method, you have completed 
entering data in this window. But if you have selected the threshold method, 
you must also enter the minimum and maximum threshold percentage 
(available from 0 to 100) used to measure transit time.
2.
To enter the minimum threshold:
a.
Press 
[ENTER]
 to open the text box.
b.
Use the numeric keys to enter the desired percentage.
c.
Press 
[ENTER]
 to confirm your entry.
3.
Repeat step 2 to enter the maximum threshold.
4.
The final prompt asks for the percent of peak.
a.
Press 
[ENTER]
 to open the text box.
b.
Use the numeric keys (and the - key for negative numbers) to enter 
the desired percentage.
c.
Press 
[ENTER]
 to confirm your entry.
You have completed entering data for Peak Detection. To leave this 
window,
Press the [
S
] key to return to the Peak Detection tab, and the [
W
] arrow 
key to move to the Signal Parameter tab.
Press 
[F2]
 (Cancel) to return to Operate Mode without confirming the 
changes.
Press 
[F3]
 (OK) to confirm the new data and return to Operate Mode.