Garmin 4008 Manuale Proprietario

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To set a navigation alarm, from the Home screen, select 

 > 

> 

.

Anchor Drag—set an alarm to sound when you exceed a specified drift distance.
Arrival—set an alarm to sound when you are within a specified distance or time from a destination 

waypoint.
Off Course—set an alarm to sound when you are off course by a specified distance. 

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 user-determined low voltage.
GPS Accuracy—set an alarm to sound when the GPS location accuracy falls outside the user-

determined value.

To set a sonar alarm, from the Home screen, select 

 > 

> 

.

  NOTE: You must have an optional sonar module (and a transducer connected to the sounder 

module) wired via NMEA 0183 or connected to the Garmin Marine Network to receive sonar 

information.

Shallow Water/Deep Water—set an alarm to sound when the depth is less than or 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.

To set a weather alarm from the Home screen, select 

 > 

> 

. 

  NOTE: You must have a subscription to XM WX Weather and the optional GDL 30/30A module 

 for more 

information.

To configure settings for your boat - from the Home screen, select 

 > 

.

Auto Guidance—set the Auto Guidance parameters for your boat:

Safe Depth—set the minimum depth (refers to the chart depth datum) to allow when 

calculating an auto guidance path.
Safe Height—set the minimum height (refers to the chart height datum) of a bridge that your 

boat can safely travel under.

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