NorthStar 961 Reference Manual page 67

STAR key
961/962 Operations and Reference Manual, Rev. A
The STAR key controls five separate functions; each keypress
displays a separate screen in the following order:
1. Echo Sounder (if installed)
2. Alarms
3. Setup functions
4. Echo Sounder setup functions (if installed)
5. Service functions
Echo Sounder
The ECHO SOUNDER screen indicates the depth of the water
under the vessel, the position and depth of fish, and the
contours of the seabed. From this screen, you access all echo
sounder operations. For details about using the echo sounder,
see the Northstar 490 Echo Sounder Operations Manual
(GM490).
Alarms
The ALARMS screen shows any new alarms waiting to be
viewed and cleared; a history of old alarms already viewed and
Chapter 3 - Using the Controls
Echo sounder screen
Page 3-9