NorthStar 490 Echosounder Operation Manual page 12

Chapter 1 - Welcome
Using the 961/962
Using the 957/958
Page 1-8
• 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.
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.
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.
490 Echo Sounder Operations Manual Rev. B2