22
NOTES
After entering the compass measurement mode, the measure-
ment will stop after 30 seconds. In the last 30 seconds, it will
lock up and exit this mode, and then return back to time mode.
After entering air pressure, temperature and weather forecast-
ing measurement mode, it will measure once every second.
And it will return back to time mode if without keystroke
operation for 1 minute.
Entering height and temperature measurement mode, it will
measure data once every 5 seconds within rst 3 minutes, and
measure once every 2 minutes after the rst 3 minutes. It will
not exit this mode.
In correction mode, press B key to exit. If displaying “ER-
ROR”, which means correction error. If displaying “DONE”,
which means that the correction is correct.
In setting mode, the set item will blink every 1HZ. It will exit
the setting mode if no keystroke operation within 1 minute.
When above the measurement range, HI will display. When
under the measurement range, Lo will display.
Weather forecast measurement method: estimate the weather
every hour (estimate the weather according to the air pressure
diversication within the former 4 hours). If air pressure value