Operation Manual

Simrad SH80
28
850-164385 / Rev.C
Gain
Gain controls are specified as either horizontal or vertical.
Horizontal gain
The two upper buttons control receiver gain
effecting the horizontal presentation of the sonar.
The level of gain selected is display in the
Horizontal menu and on top of the tilt indicator in
the upper left-hand side of the display. It has 51
selectable values numbered from 0 to 50 and may be
changed in steps of 1 dB.
Vertical gain
The two lower buttons control receiver gain
effecting the vertical presentation of the sonar. The
level of gain selected is display in the Vertical
menu. It has 51 selectable values numbered from 0
to 50 and may be changed in steps of 1 dB.