Flytec Alti Windwatch - Manual (Page 11)

E
9
Calibrating the pressure sensor
If the QNH value at a known altitude deviates
drastically from the QNH value of a weather
station in the vicinity, the pressure sensor can
be adjusted accordingly.
Warning: the altitude figures will be false if
the pressure-sensor correction value is set
wrongly. Do not alter the setting without a
good reason.
Altimeter Altimeter
Option mode Option mode
Value of the pressure
sensor in mbar
Holding down the ● ▲ key (8 seconds) will
change from the main menu to Option mode.
The pressure-sensor correction value will
flash on the display.
The
●
▼ key can be used to reduce the value
and the ●
▲ key increases it. Either press the
key briefly to alter the display in 0.1-mbar
increments or hold it down continuously for
fast resetting.
Save your entry by pressing both keys
●
▼
● ▲
simultaneously or wait 8 seconds; the display
will change from Option mode to the main
menu.