Carrying out the calibration 5 Operation
DMS Go+ Edition 4 (05/2014) 5-31
Setting the sound velocity
If the sound velocity in the test object is known, you can
also set it directly without applying one of the calibration
methods using a calibration block.
You can find a list of typical sound velocities in different
materials in chapter 10 of this manual (
see Section
Sound velocities, page 10-4).
It is recommended to verify the velocity set-
ting by means of an object with known thick-
ness which is made of the same material as
the test object.
– In the function group PROBE&CAL, select the func-
tion VELOCITY.
– Press the function keys 3 and 4 in order to select a
material with the corresponding sound velocity.
– Press the left and right arrow keys in order to manu-
ally adjust the sound velocity in increments.
The current velocity setting is displayed at the top of the
display screen.
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