GE PT878 8.4.1 Entering the Material and Soundspeed (cont.), Press the [ W ] or [ X,

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.