78 User GuideDiagnosing from a waveformMost echo-related problems, as listed in Table 4, can also be diagnosed with the help of the integratedwaveform displayed on the LCD. Waveform management is performed from the Diagnostics menu.—Figure 55 Accessing the waveform displayIntroducing the waveform displayThe waveform display illustrates the signal traveling along the probe.—Figure 56 The waveform display1 23456781 Display of the level (LVL), distance (DIS), ullage (ULL) or interface (INT) value2 Display of the blocking distance (BLK) or safety distance (SFD)Note: this is the only highlighted option that is editable (see 4)3 Level or interface marker4 Exit (⮠) or Edit ( ) indicator5 Zoom information6 Reference distance7 Display value selector8 Blocking distance (or safety distance, if SFD selected in 2) marker
