Reson Seabat 8101

System Operation3.6.4 GridThis menu selection allows the operator to control the display of the border andscale lines around, and within, the sonar wedge. The menu selections are:Off:Border:Lines:Full:Displays only the sonar image dataDisplays the sonar image data plus a border aroundthe "wedge"Displays Border plus depth scale linesDisplays Border and Lines plus annotation of thedepth scale in meters3.6.5 FreezeSelecting Freeze stops the update of the sonar image. Used to allow a second,or prolonged, look at a particular item on the display while the image if "frozen".Survey data collection is not affected by this setting.3.7 Filters MenuThis menu allows the operator to apply range and/or depth filters to the bottomdetect process to aid in noise reduction. Motion sensor inputs are required for theuse of dynamic depth and range gates. See Chapter 6, paragraphs 6.2.1.3,6.3.1.26, and 6.3.4 for additional information about the motion sensor interface.The menu selections are:3.7.1 RangeThis function applies the minimum and maximum range values entered (Min-Range and MaxRange) to the software filter. Only bottom returns within theserange limits will be used in the bottom detection process.3.7.2 DepthThis function applies the minimum and maximum depth values entered (Min-Depth and MaxDepth) to the software filter. Only bottom returns within thesedepth limits will be used in the bottom detection process.3.7.3 BothThis function allows the use of both range and depth filters to limit returns usedfor the bottom detection process.detection process.NOTEThe simultaneous use of both range and depth filters is not recommended3.7.4 NoneNo filters are activated.______________________________________________________________________SeaBat 8101 Operator's Manual 3-10 Version 3.02