YUSHI INSTRUMENTS
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waveform will move horizontally. The adjustment range is from 0 to 2000mm.
On the parameter menu, press (up) or (down) to select the displacement submenu, then
press (left decrease) or
（
right increase) to adjust the values.
On the displacement submenu, press OK to adjust the steps. The steps are 1, 10, 25, and
100.
3.1.4 Gain
The gain submenu enables you to adjust the sensitivity of the instrument. Its unit is dB. The higher
is the gain, the more sensitive the instrument is, and vise versa. The adjustment range is from 0 to
110dB.
On the parameter menu, press (up) or (down) to select the gain submenu, then press
(left decrease) or (right increase) to adjust the values.
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.
