Garmin GPSMAP 2008 Manual De Usuario

C

onfigUring

 

The

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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 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 

 > 

> 

.

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.

  NOTE: You must have a transducer connected. 

If your unit does not have a built-in sounder, then 

you must install a GSD 21 or GSD 22 sounder

module to receive sonar 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 (referred 

to the chart depth datum) to allow when 

calculating an auto guidance path.

•  safe height—set the minimum height (referred 

to the chart height datum) of a bridge that your 

boat can safely travel under. 

Keel Offset—offset the surface reading for the depth 

of a keel. This makes it possible to measure depth 

from the bottom of your keel instead of from the 

transducer’s location. Enter a positive number to 

offset for a keel. You can enter a negative number to