L3 Comminications SERIES 5000 Operation And Maintenance Manual - page 137
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CHAPTER 4 SonarPro Ver. 11.0 Operating Instructions
Series 5000 Sonar System Operations and Maintenance Manual
P/N 11210060, Rev. 13.0
The Altitude Tracker tab is shown in Figure 4-91. To open this tab right-click
anywhere in the Sub Bottom Viewer window to open the Sub Bottom Profiler
Viewer Properties dialog box, and then click the tab. On this tab you can override
the auto tracker setting in an attempt to track the bottom in adverse operating
conditions. The altitude determines the start of TVG which affects the display of
the sub bottom profile data.
Select
Use Altitude from Towfish
to run with auto tracking on. This is the default
setting and should be used almost all of the time. However, if conditions warrant,
select
Use Manual Setting
to enable manual altitude tracking or select
Use
Altitude from Towfish plus Manual Offset
to enable the sum of both auto and
manual tracking. Once either of these two options is selected, the
Manual Towfish
Altitude Offset
scroll box becomes available where you can enter an estimated
altitude. In addition, a display with a cyan background will appear in the Sub
Bottom Viewer window tool bar indicating either "Manual Altitude" followed by
the altitude for the
Use Manual Setting
option or "Offset Altitude" followed by the
altitude for the
Use Altitude from Towfish plus Manual Offset
option:
Figure 4-91:
The Sub Bottom Profiler Viewer Properties Dialog Box—Altitude
Tracker Tab