109
Reference section 6 — Echo sounding
Using automatic mode
Reference Manual Revision D
1. Press the
STAR
key to display the
OPTIONS/SERVICE INFO
screen, and then
press
Sounder Options
.
2. Press the cursor pad down to select
Demo mode, then press
Edit
.
3. Press the cursor pad up or down to high-
light “
On
,” then press
Enter
.
While in demo mode, the word “Demo”
appears in the upper-right corner of the
SOUNDER screen.
To leave demo mode, repeat this proce-
dure, selecting “
Off
” instead of “
On
.”
Using automatic mode
To operate the echo sounder automati-
cally, just press
Auto
. All of the 490’s
adjustments will be set to produce a useful
picture under most conditions. When
you’re too busy to optimize the settings
manually, the echo sounder can automati-
cally set the optimal gain, clutter, and
range settings, to show an excellent picture
from the surface to the bottom.
When you select Auto, the range setting
may change from time to time to keep the
seabed in view as the water depth
changes.
It is recommended that the 490 be
operated automatically whenever possible.
The 490 can reliably detect the seabed
depth only when it controls the gain and
clutter settings.
Cruising or fishing
Automatic mode has two variations:
autocruising
and
autofishing
.
•
autocruising optimizes the gain and
clutter for tracking the bottom, with
less emphasis on any fish in the water
•
autofishing optimizes the gain and
clutter for searching for fish
Press
Auto
to switch between autocruising
and autofishing. The setting is shown by
the colored tab below the menu key.
The status tabs
Colored status tabs just below the
Auto
and
Picture
keys are green when the echo
sounder is operating fully automatically.
They turn yellow to show one or more
settings has been set manually.
Содержание 6000i
Страница 1: ...Northstar 6000i Quickstart Guide and Reference Manual ...
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Страница 46: ...42 Reference section 1 Using the Chart Screen Using the distance and bearing calculator Northstar 6000i ...
Страница 88: ...84 Reference section 4 Creating waypoints and routes Transferring waypoints to and from a PC Northstar 6000i ...
Страница 106: ...102 Reference section 5 Radar Using the Radar Markers keys Northstar 6000i ...
Страница 139: ...135 Reference Manual Revision D Reference section 7 Video Video sources 136 Displaying video 136 ...
Страница 141: ...137 Reference Manual Revision D Reference section 8 Alarms and TideTrack Alarms 138 TideTrack 146 ...
Страница 153: ...149 Reference Manual Revision D Reference section 9 N2 Networking General information 150 Restrictions 150 ...
Страница 156: ...152 Reference section 9 N2 Networking Restrictions Northstar 6000i ...
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