NorthStar 972 Quickstart Manual And Reference Manual page 108

Reference section 7 — Echo sounding
104
Welcome to the Northstar Echo Sounder
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 graph scale (lowest and
•
highest) on the screen
Northstar 972