NorthStar Navigation Echo Sounder NorthStar 491 - Manual (Page 59)

491 Echo Sounder Operations Manual Page 55
7
Setting the Alarms
Understanding the alarms . . . . . . . . . . . . . . . . 7-56
Setting the fish alarm . . . . . . . . . . . . . . . . . . . . . 7-56
Setting the bottom alarm . . . . . . . . . . . . . . . . . 7-58
Setting the temperature alarm . . . . . . . . . . . . 7-60
T
his chapter describes the echo sounder’s three alarm
functions (for fish, bottom, and temperature conditions): the
settings for each alarm, and how to turn them on and off.