Look for the software updates shortly
There are four new software features in the Side Imaging Units for 2011. They are:
Contour / Terrain Mode
SI Navigation
Down Imaging Zoom
Side Imaging Range Lines
These features are in the 2011 798ci SI HD, 898cSI, 998c SI and 1198c SI models. Software upgrades for previous side imaging units (1197,997,987 and 798). The 797 and 981 will not get these software upgrades