Simrad PI Spread/Depth sensor Numerical readout

The information from the PI Spread/Depth sensor is shown on your PI operator unit as numerical depth and spread readouts.

Simrad PI50 Spread/Depth presentation

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A: Sensor colour code, identifier and name
B: Current spread
This the current distance between the trawl doors as measured by the sensor.

C: Spread changes
This digit shows the spread distance changes recorded by the sensor, and thus the increasing or decreasing distance between the two trawl doors. The direction is shown with the blue triangles.

D: History field
This field offers a graphical presentation of the sensor information for the last 20 minutes.

E: Pulse lamp and Trend view icons
The green Pulse lamp icon flashes every time a signal is received from the corresponding sensor. The Trend view icon opens (and closes) the Trend view for the corresponding sensor.

F: Current depth
This the current depth measured by the sensor. The triangle indicates the current vertical movement of the sensor; up or down.

G: Depth changes
This digit shows depth changes recorded by the sensor, and thus the ascending or descending speed of the net. The direction is shown with the blue triangle.

H: History field

PI44/54 Spread/Depth presentation

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(A) Sensor identification

(B) Unit of measurement

(C) Distance between the two trawl doors

(D) Distance change per minute

(E) Arrows pointing “out” means that the distance is increasing, arrows pointing “in” means that distance is decreasing.

(F) Visual alarm

(G) Sensor transmission indicator

(H) Interference warning

(I) Depth

(J) Depth change per minute

(K) Arrow down indicate that the depth is increasing

(I) Dual sensor identification