Echo Sounding - NorthStar 972 Quickstart Manual And Reference Manual

to add echo sounding capability to the system. See the Northstar 491 Installation Manual
or the Airmar website (www.airmar.com) for recommended transducers.
Reference Manual Revision B
Welcome to the Northstar Echo Sounder. . . . . . . . . . . . . . . 103
Displaying the echo sounder's picture . . . . . . . . . . . . . . . . . 106
Using automatic mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Changing the frequency of echoes . . . . . . . . . . . . . . . . . . . . 108
Zooming in and out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Echo Sounder setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
The picture menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Changing the depth settings . . . . . . . . . . . . . . . . . . . . . . . . . 116
Using the MORE key. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Viewing past echoes using SoundTrac . . . . . . . . . . . . . . . . . 120
Echo sounding alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
T
he Northstar Echo Sounder connects with the Northstar 972 and a transducer
Reference section 7

Echo sounding

101