Operation Manual

Simrad PI54
148
850-165186 / Rev.B
PI Twin Spread
Purpose
The P I Twin Spread is used with two Remote sensors to
measure the physical distance between the trawl doors during
twin trawl operations.
(A) = The PI Twin Spread sensor communicates with the PI system on the vessel.
(B) = The PI Twin Spread sensor is mounted on the port trawl door.
(C) = One PI Remote sensor is mounted on the center clump.
(D) = One PI Remote sensor is mounted on the starboard trawl door.