DMTA-10040-01EN, Rev. E, February 2018
Chapter 5266
To calibrate using MIX
1. Press CHANNEL (B key), and then rotate the knob until MIX is displayed.
2. Place the probe in a defect-free area of the calibration standard near the thru-wall
flaw, and then press the NULL foot switch.
3. Scan the thru-wall flaw, and press the FREEZE key ( ) when done.
4. Press the MAIN FILTER menu key ( ) three times.
The MIX menu appears (see Figure 5-203 on page 266).
Figure 5‑203 The MIX menu
5. Press MIX ANG (mix angle, E key) and, if necessary, adjust the thru-wall flaw
signal until it is vertical.
6. Press the FREEZE key ( ) to enable signal acquisition.
7. Press AUTO MIX (B key), and then scan the remainder of the tube.
The AUTO MIX function is automatic and records the signal for 5 seconds after
AUTO MIX (B key) has been pressed.
8. Verify that the AUTO MIX signal has been acquired:
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