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April 2009
Entering the Material and Sound Speed (cont.)
If you have selected a preprogrammed material, you have
completed entering data in this window. Pressing the [
returns the program to the Material tab. But if you selected
"Other," you can also enter a specific sound speed.
3. To enter the sound speed:
a. Press
[ENTER]
b. Use the numeric keys to enter the known sound speed in
the pipe material (from the brochure Sound Speeds and
Pipe Size Data, 914-004).
c. Press
[ENTER]
To leave the Material window:
•
Press the [ ] or [ ] arrow key to move to another tab to
take readings or perform a velocity calibration.
•
[F2]
Press
confirming the sound speed value.
•
[F3]
Press
returns to Operate Mode.
9-8
to open the text box.
to confirm your entry.
(Cancel) to return to Operate Mode without
(OK) to confirm the new value. The PT878GC
] key
Servicing the PT878GC
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