Kongsberg Simrad SN90 Reference Manual page 368

Purse seine and trawling sonar

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Simrad SN90 Reference Manual

If you have other echo sounders or sonars running asynchronous with the SN90 system,

these other systems may cause interference. The SN90 system may detect and measure

the transmit pulses from other hydroacoustic systems, and these pulses have an effect on

the biomass calculations. To avoid all interference, a full synchronization of the various

acoustic instruments is required. If your own vessel produces excessive noise this will

also be taken into the biomass calculations and give you inaccurate data.

You can easily change the physical size and shape of each information pane.

Click in its lower right corner, and drag to a new size. To reset the information

pane to its default size, select the

function allows you to adjust how much you are able to see "through"

Transparency

the information panes you have opened. You can adjust the setting from 0% (no

transparency) to 90% (almost full transparency) in steps of 10%.

Select this button to close the information pane. The pane closes immediately. If

you wish to reopen it, simply click the button on the top bar one more time.

You may have manually changed the physical size of the information pane. To

reset the information pane to its default size, select the

right corner.

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