Olympus nortec 600 - Figure 5-145 the Support Rings Signal Successfully Subtracted; Figure 5-146 the Scan of the Thru-Wall Hole

DMTA-10040-01EN, Rev. E, February 2018
Using the Instrument 223
Figure 5‑145 The support ring’s signal successfully subtracted
16. Place the probe next to the thru-wall hole, press the NULL foot switch, and then
scan the hole using a pulling motion (see Figure 5-146 on page 223).
Figure 5‑146 The scan of the thru‑wall hole
To fine-tune the instrument settings
1. Improve the already-functional configuration by fine-tuning the settings:
a) Fine-tune the frequency 1 angle to obtain a 40.0 degree reading from the hole.
b) Change the real-time readings so that the MIX phase is displayed (for more
information, see “MIX Menu in Dual Frequency — MAIN FILTER Key” on
page 113).