Page 86 of 254
Part No. 96000001
5.7 MultiMode
First introduced in 2016, the MultiSpectral mode provides a means to ping at different frequencies
with each subsequent ping.
R2Sonic has greatly enhanced the ability to tune the sonar on a ping to ping basis beyond just the
frequency. The MultiSpectral mode is now a selection in a more enhanced MultiMode function.
Where the MultiSpectral mode allowed the user to select a Frequency, Gain, Absorption and
Spreading loss, MultiMode allows for also setting Sector Coverage and Sector Rotate.
From Mode Select, the user can select the MultiSpectral mode or a specialised UHR feature:
Pipeline Mode.
5.7.1 MultiSpectral Mode™
R2Sonic developed the MultiSpectral Mode™ to meet the growing demands of those involved in
extending the use and capabilities of multibeam backscatter. To a much lesser extent, this mode
may provide benefits in some bathymetric surveys.
When enabled, this mode is used to sequentially shift the operating frequency on a ping-to-ping
basis. Up to five different frequencies can be set to be shifted between. There are four preset,
MultiSpectral modes; three of which are selectable under Presets, but the user can enter any values
that they wish
Figure 88: MultiMode Preset Settings
Figure 86: Settings | MultiMode
Figure 85: MultiMode Window
Figure 87: MultiMode Selections
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