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April 2004
4-14 Programming Site Data
Entering Fluid Types and Speeds (cont.)
b. Scroll to the appropriate entry. If you do not see your fluid
on the list, select “Other.”
c. Press
[ENTER] to confirm your selection.
If you have selected a preprogrammed gas, the PT878GC supplies
the sound speed. Pressing the [T] key returns you to the Fluid
tab. However, if you have selected “Other,” the PT878GC
prompts you to enter the sound speed.
a. Press
[ENTER] to open the text box.
b. Use the numeric keys to enter the known sound speed.
c. Press
[ENTER] to confirm the selection.
Pressing the [T] key returns you to the Fluid prompt.
• To confirm the entries and return to Operate mode, press [F3]
(OK).
• To leave the window without confirming the entries and return
to Operate mode, press
[F2] (Cancel) or the [ESC] key.