Sector Marathon Timer Manual De Instrucciones página 31

7.2 Setting altimeter parameters
Press & hold S4 for 2 seconds,
Press S1 to scroll to the desire parameter
SET DEVICE(7.2.3) → SET CALIBRITAION(7.2.2) → SET UNITS(7.2.1)
7.2.1 SET UNITS MODE
Firstly, scrolling to the [SET UNITS] & press S3 to enter, Press S1/S2 to toggle between
UNIT in METRIC (altitude in meter & pressure in mbar) or UNIT in IMPERIAL (altitude in feet &
pressure in inHg), Press S3 to confirm units & then press and hold S4 for 2seconds to exit.
7.2.2 CALIBRATION MODE
Secondly, set Calibration. Before taking measurement, calibration is recommended to make
sure better accuracy. Scrolling to the [SET CALIBRATION] & press S3 to enter, Marathon allows
user to calibrate the reference level by either inputting the current altitudes 7.2.2.1 or sea
level pressure 7.2.2.2.