Kongsberg Simrad SN90 Reference Manual page 595

Purse seine and trawling sonar
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Rotary Switch Functions
The Mk3 Operating Panel is fitted with two rotary switches. The switches are
identified with numbers. Each switch can be assigned a function related to range,
gain, bearing or tilt.
Under
Rotary Switch Options
the Operating Panel. The following functions can be assigned:
Horizontal Range
This is the range setting in the Horizontal view.
Vertical Range
This is the range setting in the Vertical view.
Inspection Range
This is the range setting in the Inspection view.
Plane Range
This is the range setting in the Plane view.
Active Ping Range
This is the range setting in the currently active view.
Active Ping Gain
This is the gain setting in the currently active view
Active Ping Bearing
This is the bearing setting in the currently active view.
Active Ping Tilt
This is the tilt setting in the currently active view
Rotary Switch Functions
Assign one
Push
when you press the rotary switch.
None
No specific functionality is assigned.
Auto Tilt
This is an "on/off" function. When Auto Tilt mode is activated the beam will
automatically change its tilt angle for each transmission ("ping"). The centre
of the tilt sector is defined by the chosen tilt angle just before the Auto Tilt
mode is started. The chosen tilt sector is shown on the tilt indicator in the
Horizontal view using a shaded background. The sector and step settings are
made using the
381294/E
(
)
Rotate
, assign one
(
)
Push
function to each rotary switch. The assigned function is activated
function on the
Tilt
Functions and dialog boxes
function to each rotary switch on
Rotate
menu.
Main
593

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