Silver Crown Plus Pilot’s Guide
40
rechanneling of the DME when the
frequency is not displayed.
Place the function switch in the
Remote* (RMT) position, and your
DME will be channeled when you
select your NAV frequency on the
NAV receiver. Search time is usually
about one second. When the unit
locks on a ground station, it will
display distance, groundspeed and
time-to-station. (See Figure 21.)
FIGURE 21.
Distance/Groundspeed/TTS RMT Mode.
Prior to lock on, “dashes” will be
displayed. (See Figure 22.)
FIGURE 22.
Prior to Lock On.
Note that you may have two
frequencies available at all times (one
remotely selected on the NAV
receiver and one internally selected
with the unit’s controls).
*Remote channeling requires
wiring to the NAV receiver.
Operational Notes
The KN 62A and KN 64 have an
audio output for use in identifying the
DME ground station being received.
The audio level is preset at the
factory, but may be easily adjusted
through the top cover.
The unit electronically converts to
distance the elapsed time required for
signals to travel to and from the
ground station. This distance is then
indicated in nautical miles on the
Distance/ Speed/Time-to-Station
display. This distance, commonly
referred to as slant range distance,
should not be confused with actual
along-the-ground distance. The
difference between actual ground
distance and slant range is least at
low altitude and/or long range. If the
range is three times the altitude or
greater, error is negligible.
The effective range of DME
depends on many factors, most
important being the altitude of the
aircraft. Other contributing factors are
the location and elevation of the
station, DME transmitter power
output, and receiver sensitivity.
The groundspeed feature
incorporated in the unit measures the
rate of change in DME slant range
distance with time. This speed is then
read from 0 to 999 knots in 1 knot
increments. To obtain accurate
groundspeed, the aircraft must be
tracking directly to or from the station.
To obtain accurate time to station, the
aircraft must be tracking directly to the
station.
Summary of Contents for Bendix/King Silver Crown Plus
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