User manual

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To get to the Calculator page, press MENU twice from the Moving Map and select CALCULATOR.
1. Countdown Timer
The Countdown Timer will sound an alarm at the end of a set time interval. Once activated, the
timer will continue in the background of the software, even if the Calculator page is closed, or if the
timer data is not displayed in the Data Window. This function requires a GPS fix as the calculation
of time is based on the GPS data.
2. Elapsed Timer
The Elapsed Timer will begin counting time from zero when activated. The counter will continue
in the background of the software, even if the Calculator page is closed, or if the timer data is not
displayed in the Data Window. This function requires a GPS fix as the calculation of time is based
on the GPS data.
3. Trip Computer
The Trip Computer will display statistical information on speed, flying time and distance traveled.
4. Vertical Navigation
The Vertical Navigation (VNAV) function prepares a descent profile and recommends a descent to
the altitude of the destination of the active Flight Plan or to some OFFSET point from the destination.
The Vertical Situation Indicator in the HSI display is activated with this function and this feature
requires that a Flight Plan be activated.
5. Wind Calculation
The Wind Calculation feature computes winds aloft by comparing Ground Speed and Track with
indicated heading, indicated air speed and Outside Air Temperature.
6. Fuel Consumption
The EKP-IV computes Fuel Consumption for each leg of the active Flight Plan or the fuel used in
flight, based on entries made by the pilot. This is a useful feature for flight planning purposes. Actual
Fuel Consumption will vary based on flight conditions and engine settings.
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