YUSHI INSTRUMENTS
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On the gain submenu, press Ok to adjust the steps. The steps are 0.1, 1.0, 2.0 and 6.0.
3.1.5 Compensation
Owing to the different degrees of roughness of surface of the detected object and the test block
calibrating the instrument, in the practical detection, you need to increase (or decrease) the sensitivity of
instrument to reduce the influence caused by the surface of the detected object. The range of adjustment
is from -40 to +40 dB. The values used in the adjustment are related to the gain values.
On the parameter menu, press (up) or (down) to select the compensation submenu,
then press (left decrease) or (right increase) to adjust the values.
On the compensation submenu, press Ok to adjust the steps. The steps are 0.1, 1.0, 2.0 and
6.0.
3.1.6 Scale
This function enables you to adjust the display mode of the screen coordinate.
On the parameter menu, press to activate the function. Press (up) or (down)
to select the scale submenu, then press (left) or (right) to switch among various display
modes.
S Sound Path: the actual distance of the sound wave from the surface of the work piece to the flaw.
X Horizontal Distance: the horizontal distance of the sound wave from the point of incidence to the
flaw.
Y Vertical Distance: the vertical distance of the sound wave from the surface of the work piece to
the flaw.
3.1.7 Reject
After you adjust to a value, the echo below the value can be cleaned. For instance, you can remove
the structural noise of the detected work piece. The reject setting is shown by % on the screen, and the
adjustment range is 0-80%.
On the parameter menu, press to activate the function. Press (up) or (down)
to select the reject submenu, then press (left) or (right) to adjust the values.