Operation Manual

Simrad PI54
30
850-165186 / Rev.B
Echo sounder
The built-in echo sounder will provide information about depth,
bottom contours and the presence of fish below the vessel. The
echo sounder can use three frequencies; 38 kHz, 50 kHz and
200 kHz. Two frequencies can be operated simultanously.
The following operational modes are available
Standard mode: Range start is fixed, and the depth range
can be altered
Phased range mode: The range start can be adjusted, and the
current value is added to the depth range
Bottom lock: The echo sounder provides an expansion
window to study the echoes closest to the bottom.
Zoom: The echo sounder provides an expansion window to
study echoes in the water column.
A-scope: Single ping echo presentation