490 Echo Sounder Operations Manual Rev. B2
Page 7-1
Setting the Alarms
Understanding the alarms . . . . . . . . . . . . . . . . . 7-2
Setting the fish alarm . . . . . . . . . . . . . . . . . . . . . . 7-2
Setting the bottom alarm . . . . . . . . . . . . . . . . . . 7-4
Setting the temperature alarm . . . . . . . . . . . . 7-6
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.