Humminbird 531338-1_C - Manual (Page 48)

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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 Matrix® 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)
Alarm Tone
Alarm Tone selects the pitch of the alarm sound. A brief tone
will be produced as you adjust the Alarm Tone so that you can
select the tone that you can hear best.
To change the Alarm Tone setting:
1. Highlight Alarm Tone on the Alarms main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Alarm Tone setting.
(High, Medium, Low, Default = Medium)