level pressure value will begin to flash.
4.Press the [ON OFF] button to scroll the value up or the [QUICK] button to scroll down.
5.When the current sea level pressure is displayed, press the [MODE] button to accept
the changes and exit.
Once you complete this process, the altitude measurement on the Observer should be correct within a range of approximately ten meters or some tens of feet.
NOTE: Information on the current sea level pressure can be obtained through newspapers, local news and radio weather reports, the local airport facility or through the Internet under local weather.
NOTE: Setup mode will automatically be released if left idle for more than one minute.
4.2 4-DAY MEMORY SUB MODE
In the Barometric mode, PRESS the [SELECT] button once to enter this sub mode. This feature allows you to follow changes in pressure that will assist you in forecasting changes in weather condition (i.e. storms).
In the
a)The top field displays the day of the week;
b)The middle field displays the sea level pressure;
c)The bottom field displays the time corresponding to the pressure in the middle field and the text “MEM”; and
d)The outer circumference of the LCD graphically displays the atmospheric pressure where one full circle equals 100 hPa or 1 inHg.
To view the information compiled in the
Press the [QUICK] button to scroll through the history of recordings beginning with increments of one hour for the first six hours, after that increments are 6 hours.
Press the [ON OFF] button to scroll back up to the most recent recording.
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