Olympus nortec 600 - Enhancing the Signal with the lo PASS Filter; Figure 5-205 the Signal after AUTO MIX (Left); with Angle;Gain Adjustment (Right)

DMTA-10040-01EN, Rev. E, February 2018
Chapter 5268
Figure 5‑205 The signal after AUTO MIX (left); with angle/gain adjustment (right)
10. Adjust H MIX GN (horizontal MIX gain, C key) and V MIX GN (vertical MIX
gain, D key) until the signal is approximately 6 major divisions long.
Combined horizontal and vertical gain adjustment is not available while using the
MIX menu. Adjustments to horizontal and vertical gain must be made separately and
equally.
11. Press the FREEZE key ( ) to enable signal acquisition.
12. Place the probe in a defect-free area near the thru-wall flaw, and then press the
NULL foot switch.
13. Scan the tube for defects to verify the MIX signal.
5.4.3.2 Enhancing the Signal with the LO PASS Filter
You can use the LO PASS filter to clean your signal and improve your display.
To enhance the signal with the LO PASS filter
1. Press the MAIN FILTER menu key ( ), followed by LO PASS (B key), and then
rotate the knob until 10 Hz is displayed.
IMPORTANT