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4.3 BAROMETRIC TREND INDICATOR
The Barometric Trend Indicator is located in the top left corner of the LCD display.
When the
barometer use feature is on, this indicator is displayed in all main modes to provide you with
an indication of upcoming weather conditions. If altimeter use is activated, the trend indicator
is not shown.
The Barometric trend is comprised of two lines forming an arrow. Each line represents a 3-
hour period. The right line represents the last 3 hours. The left line represents 3 hours prior to
the last 3 hours. The line can indicate 9 different patterns in the barometric trend. Examples:
Situation 6-3 hours ago
Situation last 3 hours
Dropped heavy (>2 hPa/3hours)
Dropping heavy (>2 hPa/3hours)
Remained stable
Rising heavy (>2 hPa/3hours)
Risen heavy (>2 hPa/3hours)
Dropping heavy (>2 hPa/3hours)
CHAPTER 5
COMPASS MODE
The Compass provides you with:
•
A resolution of 1º for the bearing, and
±
5º for North-South direction;
•
A bearing tracking mode that’s used to indicate desired direction and actual bearing.
•
A declination correction feature; and
IMPORTANT NOTE:
To reach as accurate compass readings as possible, keep the Observer
in a level position.
In the compass mode, the fields display the following data as shown in Fig. 5.1:
a) The top field displays a cardinal or half cardinal point abbreviation;
Summary of Contents for Observer
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