Humminbird Matrix 20 - Manual (Page 43)

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To change the Fish ID Alarm setting:
1. Highlight Fish ID Alarm on the Alarms main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Fish ID
Alarm setting. (Off, All, Large/Medium, Large, Default = Off)
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)
All
Large/Medium
Large