Triton Sidescan - Manual (Page 13)

Page 10
Below is the same example again but with the TVG automatically adjusted:
It is interesting to note that the curve is similar to the one created manually but slightly
lower, increasing the overall gain level. Also note that sometimes with the automatic TVG
there is still a black stripe down the nadir. In these cases it is helpful to manually adjust
the automatically generated TVG curve in order to produce the results as shown below.