Operation Manual

Simrad PI54
158
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 sensor is
normally attached to the headrope.
For secure fastening and stable
positioning of the sensor pointing
towards the vessel, make a fine mesh
bag sized to the middle of the
head-rope. Size two snap hooks
approximately 10 - 15 cm from the
headrope forming a bridle, and keep
the sensor stretched by means of two
rubber straps 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.