Low Battery Alarm; Aux. Temp Alarm (With Optional-Purchase Temp. Probe Or Temp/Speed Only); Temp. Alarm; Off Course Alarm - Humminbird 800 series Operation Manual

Low Battery Alarm

Settings: Off, 8.5V - 13.5V; Default = Off
Low Battery Alarm sounds when the input battery voltage is equal to or less
than the menu setting. The battery alarm will only sound for the battery that
is connected to the Fishing System. The Low Battery Alarm should be set to
warn you when the battery voltage drops below the safety margin that you
have determined.
For example, if you are running a trolling motor (battery operated), you would
want to set the Low Battery Alarm to sound before the battery voltage drops
too low for it to be used to start your main, gasoline-powered engine.
Aux. Temp Alarm
(with optional-purchase Temp. probe or
Temp/Speed only)
Settings: Off, 33-120 [Fahrenheit], 0-50 [Celsius],
Default = Off
Aux Temp Alarm sounds when the water temperature from the
Paddlewheel/Temperature Probe detected by the Fishing System reaches the
Aux Temp Alarm setting, which is set in degrees Fahrenheit or Celsius
[International Models only].
For example, if the Aux Temp Alarm is set to 58 degrees Fahrenheit, and the
water temperature falls from 60 degrees to 58 degrees, the Aux Temp Alarm
will sound. Similarly, if the water temperature rises from 56 degrees to 58
degrees, the Temp Alarm will also sound.
Alarms Menu Tab
Temp. Alarm sounds when the water temperature detected by the Fishing
System reaches the Temp. Alarm setting, which is either set in degrees
Fahrenheit or Celsius [International Models only].
For example, if the Temp. Alarm is set to 58 degrees Fahrenheit, and the water
temperature falls from 60 degrees to 58 degrees, the Temp. Alarm will sound.
Similarly, if the water temperature rises from 56 degrees to 58 degrees, the
Temp. Alarm will also sound.
Off Course Alarm allows you to set how far the boat is allowed to move off
course before the Off Course Alarm will sound during navigation.
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Temp. Alarm

Settings: Off, 33-120 Fahrenheit, 0-50 Celsius
[International Models only]; Default = Off

Off Course Alarm

Settings: Off, 25 to 3000 feet, 10 to 1000 meters
[International Models only]; Default = 300 ft, 100 m