SAMM User Manual193.4 Forward Look WindowThe Forward Look PPI window showsthe forward-look sonar data in a pie-shaped window (Figure 10). Thenumbers on the sides mark the slantrange in meters from the sonar head.Numbers on the arc side of the PPI markthe angle in degrees from the pointingdirection the sonar head Use thiswindow to mark contacts and monitoryour image quality.The mosaic is generated from the datawithin the area outlined in green in theForward-Look window display, This is setby adjusting arc and range (rng) on theFLS Processing Controls panel If you close the Forward Lookwindow, reopen it by clicking onthe Display the forward lookwindow icon in the toolbar. Figure 10. Forward Look Window3.5 Waterfall WindowThe waterfall window provides aconfigurable view of sidescan data,which supports zooming, slant- andground-range display and target marking.The oscilloscope panel located abovesidescan waterfall displays the rawsidescan data in a wiggle-trace, port dataon the left in red, starboard data on theright in green.Figure 11. Waterfall Window3.5.1 Waterfall ToolbarWaterfall toolbar is located above oscilloscope panel. The toolbar icons are pictured anddescribed in Table 3. Toolbar Icons, in the order that they appear from left to right on thetoolbar.
