Simrad FS70 -, Operator'S Manual

Page: 31 / 114

FS 70 System Operation
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Transmitter : The transmitter controls are usually used for receiver test.
The Power Control is used to control the current transmit power output.
The
Hi Acquisition control is used to change the number of samples collected from the
sonar head to twice its normal value. This is equivalent to a ZOOM x2 operation.
The Panel Gain control is used to adjust the overall gain for the image from this head.
The Pulse Length control can be used to set the desired transmit pulse length. Generally, a
shorter pulse length will give a sharper image but with reduced range. By default, the
system adjusts the pulse length at different range and display mode settings according to the
selection of the
Optimize resolution or Maximize Range . The automatic selection of the
pulse length can be disabled by clicking the Manual Setup box.