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April 2004
9-16 Servicing the PT878GC
Calculating Velocity (Pipe Material Sound Speed)
(cont.)
7. The “Calculated” box shows the thickness value measured.
The PT878GC asks for confirmation of the calculated and
current values. Press
[ENTER] to commit (accept) the
calculated value (in which case it becomes the current value),
and to recalculate the value (which becomes the new
“Calculated” value).
Note: If you commit the calculated value, the settings in the
Material window also change from the previous material
to “Other” with the new sound speed.
To leave the Velocity window:
• Press the [W ] or [X] arrow key to move to another tab.
• Press [F2] (Cancel) to return to Operate Mode without
confirming the sound speed value.
• Press [F3] (OK) to confirm the new value and return to
Operate Mode.