Set Alarms - Garmin GPSMAP 178C Owner's Manual

and off.
Sonar Submenu Tab
Shallow Water/ Deep Water – set alarms to sound when you enter an area of specifi ed depth
that is too shallow and/or too deep. You must be receiving sonar data for this function to work.
Water Temperature – sets an alarm to sound when the transducer reports a temperature either
above, below, inside or outside the specifi ed values.
Fish – sets an alarm to sound when the unit detects a fi sh of the specifi ed size symbol(s).
To set an alarm:
1. Use the ARROW KEYPAD to highlight desired submenu tab of the Alarm Tab.
2. Highlight the fi eld below the alarm name you wish activate and press ENTER.
3. Change the mode to the desired setting and press ENTER.
4. Highlight the next fi eld to the right and press ENTER, then enter the desired settings and press
ENTER to fi nish.
5. If you want the alarm to display and beep until acknowledged, highlight the 'Persist' box and press
ENTER to place a check mark in the box.
Reference
Main Menu: Alarm Tab
Main Menu—Alarm Tab
(Nav Submenu)
Main Menu—Alarm Tab
(Sonar Submenu)
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