GE General Electric Oxygen Equipment PT878 Manuale Utente

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Chapter 8. Servicing the PT878
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual
161
8.4.1 Entering the Material and Soundspeed (cont.)
If you have selected a preprogrammed material, you have completed 
entering data in this window. Pressing the [
T
] key returns the program to 
the Material tab. But if you selected “Other,” you can also enter a specific 
soundspeed.
3.
To enter the soundspeed:
a.
Press 
[ENTER]
 to open the text box.
b.
Use the numeric keys to enter the desired soundspeed (from the 
brochure Soundspeeds and Pipe Size Data, 914-004).
c.
Press 
[ENTER]
 to confirm your entry.
To leave the Material window:
Press the [
W
] or [
X
] arrow key to move to another tab to take 
readings or perform a velocity calibration.
Press 
[F2]
 (Cancel) to return to Operate Mode without confirming the 
soundspeed value.
Press 
[F3]
 (OK) to confirm the new value. The PT878 returns to 
Operate Mode.