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Adjusting the output power to match varying conditions
You are permitted to adjust the output power from the CS90 system.
control the amount of power that is transmitted with each ping.
Context
Most users operate the CS90 system with
maximum range, and works well in open waters with sufficient depth. Certain operating
conditions may make it appropriate to adjust the output power. Use
the transmitted acoustic energy compared to the maximum output.
Tip
If you work in shallow and/or confined waters you may find it useful to reduce the output
power to avoid reverberation.
Some of our users claim that reducing the output may be useful if you are looking for
scattered fish.
If you work in vicinity of other vessels using hydroacoustic systems in the same frequency
range as your CS90 system, interference may cause problems. Reducing the output
power is not a practical way to deal with interference. It is more efficient to change
the operating frequency.
To investigate unknown and/or unfamiliar targets, some user prefer to "reset" the CS90
system by turning off all the receiver filters and adjust the output power.
Sea conditions vary, sometimes drastically. The acoustic conditions are also changing.
Temperature and salinity layers differ from one day to the next, and from one position to
another. It is not possible to identify settings that will provide the best data at all times.
Procedure
1
Open the
Operation
2
Select
Tx Power
3
Select the requested output power.
Select either side of the button to choose a value.
Select the middle of the button to open a small menu with the available options.
Related topics
Operating procedures, page 76
Choosing operating mode and key transmit parameters, page 81
Tx Power function, page 404
442700/A
menu.
.
set to Maximum. This allows for
Tx Power
Operating procedures
is used to
Tx Power
to reduce
Tx Power
87
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