Olympus Sonic 1200S/HR, Руководство пользователя

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Applications 109
Example :
W = 1 inch and S = 3 inches and angle 0 = 60° then:
depth(2) = 3 • cos 60°
= 1.5”
actual depth(1) = (2 x 1”) - 1.5”
= 0.5”
Shear Wave (Angle Beam) Digital Thickness Calibration
Once the screen range is calibrated, continue with the setup of the Angle Beam (Trig functions)
mode. Adjust the operating controls as follows:
1. 1.For the correct thickness measurements, Gate1 must be adjusted as follows: A IIW
Type 1 Block is used for this application.
2. Press the GATE1 menu key, GATE1 menu soft key , and press the UP/DOWN arrow keys
or rotate the SmartKnob™ until the “+ “ is selected.
3. Press the LEVEL menu soft key and adjust the level to the desired screen height, such as
40%, with the UP/DOWN arrow keys or the SmartKnob™.
4. Press the POSN menu soft key and adjust the position: the start of the gate is to the right of
the transducer wedge noise or IP, and to the left of the first echo (see Figure 5-46 ) .
5. Press the WIDTH menu soft key and adjust the width to full screen, or to the right of the
farthest echo, by rotating the SmartKnob
™
or pressing the UP/DOWN arrow keys (see
Figure 5-47 ).