94
Reference section 6 — Radar
Using the Markers keys
Northstar 972
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
Automatic
.
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
harbor
mode (for when the range is set to less
than 1nm, or for
auto
mode (for when the
range is set to greater than 1 mile).
Auto tuning
STC curve
The STC curve controls how the sea clutter
function decreases the gain near the vessel.
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
Park angle
Using the Markers keys
Press
Adjust Markers
to display controls
for the 972’s electronic bearing line (EBL),
variable range marker (VRM), and guard
zone.
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.
Summary of Contents for 972
Page 1: ...Northstar 972 Quickstart Guide and Reference Manual Revision B ...
Page 12: ...8 Getting Started Purchasing charts Northstar 972 ...
Page 19: ...15 Displaying the chart screen Quickstart Guide Revision B Chart screen ...
Page 30: ...26 SAVE and Man Overboard MOB Northstar 972 ...
Page 54: ...50 Reference section 3 Position coordinates Using Phantom Loran Northstar 972 ...
Page 90: ...86 Reference section 6 Radar Transferring waypoints to and from a PC Northstar 972 ...
Page 106: ...102 Reference section 7 Echo sounding MARPA targets Northstar 972 ...
Page 130: ...126 Reference section 7 Echo sounding Troubleshooting the echo sounder Northstar 972 ...
Page 134: ...130 Reference section 8 Video Displaying video Northstar 972 ...
Page 148: ...144 Reference section 10 Networking Restrictions Northstar 972 ...
Page 158: ...154 Reference section 11 Setup Changing the time zone Northstar 972 ...
Page 164: ...160 Reference section 11 Appendix A Datum list Changing the time zone Northstar 972 ...
Page 168: ...164 Northstar 972 Notes ...
Page 169: ...Notes 165 Operator s Manual Revision B ...
Page 170: ...166 Northstar 972 Notes ...
Page 171: ...Notes 167 Operator s Manual Revision B ...
Page 172: ...168 Northstar 972 Notes ...
Page 173: ...Notes 169 Operator s Manual Revision B ...
Page 174: ...170 Northstar 972 Notes ...
Page 175: ...Notes 171 Operator s Manual Revision B ...
Page 176: ...172 Northstar 972 Notes ...
Page 177: ...Notes 173 Operator s Manual Revision B ...
Page 178: ...174 Northstar 972 Notes ...
Page 179: ...Notes 175 Operator s Manual Revision B ...
Page 180: ...176 Northstar 972 Notes ...
Page 181: ...Notes 177 Operator s Manual Revision B ...
Page 182: ...178 Northstar 972 Notes ...
Page 183: ...Notes 179 Operator s Manual Revision B ...
Page 184: ...180 Northstar 972 Notes ...