Installation manual

Simrad SH80

Bearing (Horizontal)

The Bearing parameter dialogue opens when you click the

Bearing button in the Horizontal menu.

The horizontal bearing of the audio channel is normally

controlled from the Operating Panel. The selected bearing

is shown with a continuous white line pointing out from the

transducer position. This line can be trained manually or

automatically in any position. The angle read-out on the bearing

button can be selected to be ±180 degrees relative to the bow, or

absolute (relative north).

Options

Left/Right arrow: C lick once to train the audio channel one

degree. The current bearing is shown above.

Search Step: Click to open a new parameter dialogue that allows

you to select the search step angle. This value deﬁnes how many

degrees the search beam shall move for each transmission in the

Auto Search mode. (► Search Step on page 151)

Search Sector: Click to open a new parameter dialogue that

allows you to select the active audio search sector. This sector

can be adjusted between 22 and 360 degrees directly with the

increase/decrease button function, or by the two buttons in the

Search Sector parameter dialogue. The search sector limits are

shown on the outer part of the echo circle with two white angular

symbols. (► Search Sector on page 150)

Absolute/Relative:ClickAbsolute to set bearing of the audio

channel to be relative to true north. Click

Relative to set the

bearing to be relative to the vessel’s bow.

Manual/Auto:InManual mode, the audio channel can be trained

continuously in either direction by pressing the two arrow

buttons in the

Train ﬁeld on the Operating P anel. In Auto mode,

the sonar will automatically perform search within the selected

search sector using the steps deﬁned.

Close: Click to close the parameter dialogue.

Help: Click to access the on-line help.