Operation Manual

Simrad PI54
128
850-165186 / Rev.B
Tuna purse: The sensor must not be
attached to the footrope wire, but to
the foot-rope chain. Use a safety wire
in addition in case the sensor is ripped
off the net.
Trawl or Danish seine: The depth
sensor is normally attached to the
headrope (A). For secure fastening
and stable positioning of the sensor
pointing towar ds the vessel, make a
fine mesh bag (B) located at the
centre of the headrope. Size two snap
hooks (C) approximately 10 - 15 cm
from the headrope forming a bridle,
and keep the sensor stretched by
means of two rubber straps (D)
attached to the aft fastening lugs.
Sacrificial water switch sensor
If the water switch on your sensor is a sacrificial brass screw,
this screw must be checked every month. Whenever required
due to wear and tear, the screw must be replaced. Refer to the
Operational procedures in the operator manual.