Garmin gpsmap 545s Manuale Utente

Configuring the Chartplotter

To set a system alarm from the Home screen, select 

 > 

 > 

.

Clock—set an alarm using the system (GPS) clock. The unit must 

be on for the clock alarm to work.
battery—set an alarm to sound when the battery reaches a specified 

low voltage.
gPS accuracy—set an alarm to sound when the GPS location 

accuracy falls outside the specified value.

To set a sonar alarm from the Home screen, select 

 > 

 > 

.

NoTE: You must be receiving NMEA sonar depth data or using a 

Garmin sounder module to configure sonar alarms.
Shallow water—set an alarm to sound when the depth is less than 

the specified value.
deep water—set an alarm to sound when the depth is greater than 

the specified value.

water Temp—set an alarm to sound when the transducer reports 

a temperature that is 2°F (1.1°C) above or below the specified 

temperature.
fish—set an alarm to sound when the unit detects a suspended 

target of the specified symbols.

—sounds an alarm for all fish sizes.

—sounds an alarm for medium and large fish only.

—sounds an alarm for large fish only.

NoTE: You must have a subscription to XM WX Weather and 

a connected Garmin XM WX weather receiver to view weather 

page 55)

.

1.  From the Home screen, select 

 > 

 > 

.

2.  Turn the following alarms on or off: marine, tornado, severe 

storm, flood, or flash flood.