Understanding Depth Settings - NorthStar 490 Echosounder Operation Manual

490 Echo Sounder Operations Manual Rev. B2

Understanding Depth Settings

Viewing the seabed depth . . . . . . . . . . . . . . . . . 4-2
Viewing the depth marker . . . . . . . . . . . . . . . . . 4-2
Changing the depth settings . . . . . . . . . . . . . . . 4-2
Setting the picture's shift (starting depth) . . 4-3
Setting the picture's range . . . . . . . . . . . . . . . . . 4-4
T
his chapter explains how to override the system's auto-
matic depth settings and manually control the depth range
shown on the screen, and how to use the depth marker.
Page 4-1