Garmin 550 Guía Del Usuario

Customizing the Oregon

Marine Alarm Setup—turn marine 

alarms on or off.

Anchor Drag Alarm—set an 

alarm to sound when you drift 

more than a specified distance.
Off course Alarm—set an alarm 

to sound when you are a specified 

distance off course.
Deep Water—set an alarm to 

sound when you enter an area of 

water that is too deep.
Shallow Water—set an alarm 

to sound when you enter an area 

that is too shallow.

Touch 

 > 

. 

Time Format—select a 12-hour or 

24-hour format.
Time Zone—select the time zone for 

your location.

Daylight Saving Time—select 

Yes to use Daylight Saving Time, 

No to ignore it, or Automatic to 

automatically turn Daylight Saving 

Time on and off.

Touch 

 > 

.

Distance/Speed—select distance and 

speed units.
Elevation (Vert. Speed)—select 

elevation and vertical speed units.
Depth—select depth units in feet, 

fathoms, or meters for marine use.
Temperature—select water 

temperature in degrees Celsius or 

degrees Fahrenheit.
Pressure—select barometric 

pressure units in inches (Hg), 

millibars, or hectopascals.