Figure 10-3 Mode 1 Detection Example; Figure 10-4 Mode 2 Detection Example - Olympus 45MG User Manual

DMTA-10022-01EN, Rev. C, January 2015
Main bang
Mode indicator
Mode 2
Measures the time of flight between the interface (or delay line) echo and first
back-wall echo using a delay line or an immersion transducer (see Figure 10-4 on
page 170).
Main bang
Mode indicator
Mode 3
Uses a delay line or an immersion transducer to measure the time of flight
between one back-wall echo and the next back-wall echo (see Figure 10-5 on
page 171).
170 Chapter 10

Figure 10-3 Mode 1 detection example

Interface echo

Figure 10-4 Mode 2 detection example

First back-wall echo
Detection marker
First back-wall echo
Detection bar