NorthStar 490 Echosounder Operation Manual page 29

Speed and
temperature sensor
setup
490 Echo Sounder Operations Manual Rev. B2
sequence number restarts at 00, and the oldest waypoints with
this same name will be overwritten (unless they have been
renamed).
To turn this feature on or off, or to change the maximum
number of each of these waypoints:
1. Press the CURSOR PAD up or down to highlight the
waypoint type you want to change:
The line "*Fish##*:" controls fish waypoints
The line "*Therm##*:" controls temperature waypoints
The line "Mark Wpts:" controls waypoints marked by the user
2. Press EDIT.
3. Press the CURSOR PAD left or right to highlight the
desired number of waypoints to be saved.
4. Press ACCEPT .
These functions are set during installation. The calibrations
should not be changed unless they are known to need
adjustment.
From the ECHO SOUNDER SETUP screen, press SPEED/TEMP
to access the SENSOR SETUP screen.
Chapter 2 - Quick Start: Using the Echo Sounder
961/962 sensor setup screen
Page 2-15