Sector Marathon Timer Manual De Instrucciones página 32

7.2.2.1 To calibrate altitude
Press S3 again to [CALib Altitude] & adjust altitudes by pressing S1 for increment or S2 for
decrement of the altitudes.
Press S3 once to set next digit. Press S3 several times to return to the [SET CALIBRATION] to
confirm altitudes & then press S4 to exit.
7.2.2.2 To calibrate sea level pressure
Press S3 & then press S1 to [CALib Sea Level Pressure] mode.
Press S3 to enter.
To adjust pressures, pressS1 for increment or S2 for decrement of the sea level pressures.
Press S3 once to set next digit. Press S3 several times to return to the [SET CALIBRATION] to
confirm the sea level pressure & then press S4 to exit.
7.2.3 SET DEVICE
Thirdly, to activate this function but user can turn it ON or OFF if needed.
When scrolling to [SET DEVICES] mode,
Press S3 to display current device status,
Press S1/S2 to toggle [ALTIMETER] function ON or OFF.
REMARK: Default setting is OFF when ex-factory