Humminbird 383c - Manual (Page 79)

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Low Battery Alarm
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 300 Series™ 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 instance, 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.
To change the Low Battery Alarm setting:
1. Highlight Low Battery Alarm on the Alarms main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Low Battery
Alarm setting. (Off, 8.5V - 13.5V, Default = Off)
Temp Alarm
Temp Alarm sounds when the water temperature
detected by the 300 Series™ 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.
To change the Temp Alarm setting:
1. Highlight Temp Alarm on the Alarms main menu.
2. Use the LEFT or RIGHT 4-Way Cursor Control keys to change the Temp Alarm
setting. (Off, 33-120 [Fahrenheit], 0-50 [Celsius], Default = Off)