Garmin 550 Guida Utente

Customizing the Oregon

at a higher rate of speed for a set 

period of time. Select Off to turn the 

electronic compass off and use the 

GPS compass.
Calibrate—calibrate the compass 

(

Touch 

 > 

.

Auto Calibration—allow the 

altimeter to self-calibrate each time 

you turn the Oregon on. 
Barometer Mode—select Variable 

Elevation (used when moving) 

or Fixed Elevation (used when 

stationary, allowing the altimeter to 

function as a standard barometer).
Pressure Trending—select when 

the pressure data is recorded. Touch 

Save Always to record pressure data 

every 15 minutes, even when the 

Oregon is turned off. Touch Save 

When Power On to record data only 

when the Oregon is turned on. This 

can be useful when you are watching 

for pressure fronts.
Plot Type—select the elevation plot 

type:

Elevation/Time—records 

elevation changes over a period 

of time.
Elevation/Distance—records 

elevation changes over a 

distance.
Barometric Pressure—records 

barometric pressure over a period 

of time.
Ambient Pressure—records 

ambient pressure changes over a 

period of time.

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