NorthStar 6000i, Quickstart Manual And Reference Manual

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Reference section 6 — Echo sounding
Echo Sounder setup Reference Manual Revision D
Echo Sounder setup
Several setup functions are available to
configure the echo sounder.
CAUTION:
Be careful not to change any of the func-
tions that are not described here unless
you
fi rst read about them and understand
their functions in the Northstar 490 Instal-
lation Manual.
Accessing the setup screen
To display the echo sounder setup screen,
p
ress the STAR key to display the
OPTIONS/SERVICE INFO
screen, and then press
Sounder Options .
Transducer depth
This option specifies how far below the
surface of the water the transducer is
mounted. The number is added to all
depths measured by the 490 so they will
refer to depth from the surface, not from
the transducer. This value should have
been set correctly during installation and
should not be changed.
Depth units
You can change the depth units to feet,
meters, or fathoms:
1. Press the
cursor pad
up or down to
highlight the Depth Units option.
2. Press
Edit
.
3. Press the cursor pad up or down to dis-
play the desired units.
4. Press ENTER .
The temperature graph’s units and
scale
You can change the highest and lowest
water temperatures that will be displayed
on the temperature graph:
Echo Sounder Setup screen