Using The Markers Keys - NorthStar 972 Quickstart Manual And Reference Manual

Using the Markers keys

Reference section 6 — Radar
94

Using the Markers keys

adjust the gain preset to produce a
good-looking image.
Automatic presets
To set the automatic presets, first return to
the Image page described above, and set
Gain and Sea Clutter to
Gain preset
Set this control for a pleasing looking
image. The unit will attempt to maintain
this appearance.
Sea preset
Set this control for a pleasing looking
image. The unit will attempt to maintain
this appearance.
Sea clutter preset can be adjusted for
mode (for when the range is set to less
than 1nm, or for mode (for when the
auto
range is set to greater than 1 mile).
Press Adjust Markers to display controls
for the 972's electronic bearing line (EBL),
variable range marker (VRM), and guard
zone.
Auto tuning
STC curve
The STC curve controls how the sea clutter
function decreases the gain near the vessel.
.
Automatic
Setup...
See the radar installation manual (P/N
GMEKRadIM) for using these controls.
Under normal circumstances these controls
will not be used for day-to-day operation.
They are set once during the initial instal-
lation and should not be changed except
during maintenance of the system.
Trigger delay
Heading calib
harbor
Park angle
Press EBL, VRM or GuardZone to access
that function. Press Visibility to make the
selected function visible or invisible.
When finished, press Return to return to
the main radar menu keys. All settings are
retained while the system is turned off.
Northstar 972