Humminbird 778C - Manual (Page 68)

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Temp. Alarm
Settings: Off, 33 to 120 Fahrenheit, 0 to 50 Celsius
(International Models only); Default = Off
Temp. Alarm sounds when the water temperature detected by the Fishfinder
reaches the Temp. Alarm setting, which is either set in degrees Fahrenheit or
Celsius [International Models only].
Alarm Tone
Settings: High, Medium, Low; Default = Medium
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.
Timer Setup
Settings: Press the RIGHT Cursor key to open the dialog box.
Timer Setup allows you to open a dialog box to create settings for the Timer.
You can also start the countdown from this dialog box. When the Timer is
started, the clock counts down from the amount of time set in the dialog box.
• Time: Use the 4-WAY Cursor Control key to set the hours, minutes, and
seconds.
• Save and Start: To start the Timer immediately, select Save and Start,
and press the RIGHT Cursor key.
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.
Alarms Menu Tab