Displaying the fishfinder
957 Operator's Manual, Rev. B
The GPS POSITION screen shows the following information:
•
your vessel's position in lat/lon (or TDs, if enabled)
your vessel's present SOG and COG
•
•
current time, day, and date
•
geodetic datum (for details, see "Appendix C - Geodetic
Datums" starting on page 169)
For details about determining and displaying your position,
see "Determining Your Position" starting on page 51.
If your 957 is equipped with Northstar's optional fishfinder,
pressing the SOUNDER key on the CHART screen will display
fishfinder data that's split with the CHART screen. Pressing the
STAR key will display the full ECHO SOUNDER screen. For
details about setting up and using the fishfinder, see the
Northstar 490 Echo Sounder Operator's Manual (part number
GM490).
Chapter 1 - Getting Started
Page 13