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EFIS-D10A Pilot’s User Guide
4-7
Airspeed tape, digital readout, and trend
The airspeed tape scrolls beneath the airspeed digital readout and arrow. The digital readout’s digits scroll
up and down, simulating an analog airspeed indicator and giving a sense of the increase or decrease in
speed. The EFIS-D10A is factory-calibrated to be accurate for airspeeds between 15 and 325 knots (17 to
374 mph). As airspeed increases from 0 knots, the indicator becomes active at 20 knots. The indicator
remains active until airspeed drops below 15 knots. The EFIS-D10A may display airspeeds above 325 knots,
but it is not guaranteed to be accurate.
The airspeed tape utilizes 4 colors to give you a graphical representation of your speed with relation to your
aircraft’s limits. By default all of the color thresholds are set at 0, causing a grey tape to be displayed. You
must set the values of the airspeed color thresholds via the SETUP menu. Refer to the EFIS-D10A
Installation Guide for more information on setting the airspeed color thresholds.
The airspeed trend indicator is located to the left of the airspeed tape. The magenta bar grows in the
direction of—and in proportion to—the rate of acceleration or deceleration. The trend indicator is scaled to indicate a 6-
second airspeed trend. In the example at right, the trend indicator is showing that the aircraft will reach 119 knots in 6
seconds if airspeed does not change.
Bugs
Bugs may be set to mark a desired heading, airspeed, or altitude. These bugs are represented by a yellow
inverted arrow located at the desired value on the tape. If the set heading, altitude, or airspeed is
currently off-screen, the bug icon appears at the edge of the moving tape closest to the desired value.
Your airspeed, heading, or altitude is at its set bug value when the bug’s inverted triangle encloses the
triangle of the digital readout’s pointer. The altitude bug also acts as an altitude alerter; see BUGS – Setting Bug Markers
on page 5-2 for more information.
Summary of Contents for EFIS-D10A
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