Chapter 1 - Welcome
Page 1-8
490 Echo Sounder Operations Manual Rev. B2
•
the calibration for the speed sensor
•
the calibration for the temperature sensor
•
the gain calibration for the transducer
You may wish to change the following options from time to
time to match your personal preferences:
•
depth units (feet, meters, or fathoms) on the screen
•
temperature units (Celsius or Fahrenheit) on the screen
•
temperature scale (lowest and highest) on the screen
•
automatic saving of
*FISH##*
or
*THERM##*
waypoints
when the 490 detects the presence of fish or a certain
water temperature that you’ve set
To see or change any of the above settings, press
STAR
several
times until you reach the
ECHO SOUNDER SETUP
screen. For
details, see ”Setup functions” starting on page 2-12.
Using the 961/962
Before starting, you should double-check that the 961/962’s
Port 3 is set to the 490 option:
1. Press
STAR
until you reach the
SERVICE MENU
screen.
2. Press
PORT SETUP
.
3. Press
PORT 3
.
4. Check that the
FORMAT
option is set to “490.” If not, set it
now.
Using the 957/958
Before starting, you should double-check that the 957/958’s
AUX port is set to the 490 option:
1. Press
STAR
until you reach the
OPTIONS/SERVICE INFO
screen.
2. Press the
PORT SETUP OPTIONS
key.
3. Check that the
AUX PORT
option is set to “490.” If not, set
it now.
Содержание 490 Echosounder
Страница 1: ...Northstar 490 Echo Sounder Operations Manual ...
Страница 38: ...Chapter 3 Adjusting the Echo Sounder Picture Page 3 8 490 Echo Sounder Operations Manual Rev B2 ...
Страница 44: ...Chapter 4 Understanding Depth Settings Page 4 6 490 Echo Sounder Operations Manual Rev B2 ...
Страница 54: ...Chapter 5 Other Functions Using the MORE key Page 5 10 490 Echo Sounder Operations Manual Rev B2 ...
Страница 74: ...Appendix A Specifications Page A 4 490 Echo Sounder Operations Manual Rev B2 ...