Tokyo Keiki KRG-10, Руководство пользователя, Страница: 71 / 200

5-16
[4-6] Noise Margin
Noise is eliminated in accordance with [dB] setting.
Signa
l Amplit
ude[dB]
Sign
al Ampli
tude[dB]
Fig. 5.4.6 Noise margin
[5-0] Valid Window
Enter the valid window for detecting echo. 2 times the setting value becomes the range of valid window
with a central focus on the surface echo.
Distance
Si
gna
l A
mpl
itu
de
t1
Valid Window (t1)
Setting Value
Valid Window is 2 times
the setting value
Fig. 5.4.7 Valid window
[5-1] Double Bounce Removal
While this function is "On", detected multi-bounce echoes (double bounce, triple bounce etc.) will be
ignored.
0: Off
1: On
[5-2] Double Bounce Offset
Enter the offset value from gauging reference point to top surface of tank. This value is used to remove
the reflection echo from top surface of tank.
Fig. 5.4.8 Double bounce
[5-3] Bottom Visible
While this function is "On", a detected tank bottom echo will be ignored.
0: Off When tank bottom echo is smaller than surface echo (such as with water), setting
"0" invalidates this function.
1: On When tank bottom echo is larger than surface echo (such as with oil fluids) setting
"1" will be effective against echo misdetection.