Specifications

3.7 : Trace Window
Figure 19: Trace Window
In addition to the Sonogram, SCAN’R includes a Trace Window that al-
lows the operator to see a time versus frequency plot of the call sequence.
The time is plotted horizontally with increasing time going from left to
right. The frequency is plotted vertically with increasing frequency going
from bottom to the top.
The Trace Window is somewhat analogous to the bat call display of the
Anabat
tm
system (www.titley.com). The main difference is that the Trace
Window displays both the fundamental frequency component (green
trace) as well as the second harmonic (blue trace) if present.
The Trace Window is linked with the sonographic display so you can op-
erate it in conjunction with the main window. If you double click the
mouse on one of the calls on the trace window, then the main window will
display the associated sonogram. Vice versa, if you double click on one
of the thumbnails in the main window, than a cursor will highlight the as-
sociated call on the Trace Window.
The Trace Window is quite handy for maintaining a set of reference pa-
rameter calls. It allow an operator to select and save call reference se-
quences that can be used for call comparison and identification.