M4-CYG3-M-ENG_Iss2.doc
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Setting the Velocity of Sound
The Gauge uses the Velocity of Sound value to calculate the
material thickness from the matched triple-echo time. A table on
page 118 of this manual lists velocity of sound values for common
material.
The current velocity of sound value is displayed in the centre at
the top of the measuring screen. In the screen below ‘5920’ means
a velocity of 5920 m/s as the gauge is in metric.
There are three options for setting the velocity of sound value;
1. Adjust the current value slightly using + and - keys
2. Type in a new velocity value using the number keys
3. Choose a velocity from a list of common materials
Displaying the Velocity Menu
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