Kr 87 – BendixKing SILVER CROWN PLUS System SILVER CROWN PLUS User Manual

Page 47

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KR

87

 

43

Outside of the United States

some stations are unmodulated and

use an interrupted carrier for
identification purposes. The BFO

mode, activated and annunciated
when the “BFO” button is depressed,

permits the carrier wave and the

associated Morse code identifier
broadcast on the carrier wave to be

heard.

ADF Test

(PRE-FLIGHT OR IN-FLIGHT)

Select ANT mode. This will cause the

bearing pointer to move directly to the
parked 90° position. Make sure the

unit is tuned to a usable frequency.
Now select ADF mode and the needle

should move without hesitation to the
station bearing. Excessive

sluggishness, wavering or reversals
indicate a signal that is too weak or a

system malfunction.

Operating the Timers

The flight timer will always be

automatically reset to :00 whenever
power is interrupted either by the

avionics master switch or the unit’s
ON/OFF switch. An optional external

switch may be installed which, when
activated, will stop or start the flight

timer. This switch would be of use
during a nonrefueling stop when

resetting the flight timer is not desired.
On some aircraft it may be desirable

to use the aircraft strut switch instead

of a manual switch to stop and start
the flight timer. It should be

emphasized that the start/stop
function will only operate with power

applied to the unit. Always read flight
time prior to power shutdown.

Flight time or elapsed time are

displayed and annunciated

alternatively by depressing the
FLT/ET button. The flight timer

continues to count up until the unit is
turned off or stopped with an external

switch. The elapsed timer may be
reset back to :00 by pressing the

SET/RST button. It will then start
counting up again.

NOTE: Pressing the SET/RST button
will reset the elapsed timer whether it

is being displayed or not.)

The elapsed timer also has a

“count-down” mode

To enter the countdown mode,

the SET/RST button is depressed for
about two seconds, or until the “ET”

annunciation begins to flash. It is now
in the ET set mode, and a time up to

59 minutes, 59 seconds may be
preset into the elapsed timer with the

concentric knobs. The preset time will
be displayed and remain unchanged

until SET/RST is pressed again,
which will start the elapsed timer

counting down from the preset time.
When the timer reaches :00 it will start

to count up as the display flashes for
15 seconds and an aural alarm, if

installed, is activated for about 1
second.

NOTE: The standby frequency which

is in memory while flight time or
elapsed time modes are being

displayed may be called back by

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