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Montana 600 Series Owner’s Manual 
17
Your current elevation 
 and the 
rate of your ascent or descent 
 
appear. 
Adjusting the Scale
Calibrating the Barometric 
Altimeter
You can manually calibrate the 
barometric altimeter if you know 
the correct elevation or the correct 
pressure.
1.  From the elevation plot, select  . 
2.  Select Calibrate Altimeter.
3.  Follow the on-screen instructions.
Trip Computer
The trip computer displays your current 
speed, average speed, maximum 
speed, trip odometer, and other helpful 
statistics.
To customize the trip computer, see 
Resetting the Trip Data
For accurate information, reset the trip 
information before beginning a trip. 
Select   > Trip Computer >   
Reset Trip Data > Yes
All of the trip computer values are 
set to zero.