Operating instructions - adf, Power up, Frequency selection – BendixKing CNI 5000 User Manual

Page 10: Operating modes

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9

Power Up.

Rotate the ON/OFF/VOL knob clock-

wise from the detented “OFF” position.
Power will be activated and the unit will be
ready to operate. Rotation of this control
also adjusts audio volume. The CNI 5000
ADF has “audio muting” which causes the
audio output to be muted unless the receiv-
er is locked on a valid station.

Frequency Selection.

The active frequency (to which the ADF

is tuned) is displayed in the left side of the
window at all times. A standby frequency is
displayed in the right side when “FRQ” is
annunciated. The standby frequency is
placed in “blind” memory when either FLT
(Flight Time) or ET (Elapsed Time) mode is
selected.

With “FRQ” annunciated, the standby

frequency is selected using the frequency
select knobs which may be rotated either
clockwise or counterclockwise. Pull the
small inner knob out to tune 1’s. Push the
small inner knob in to tune 10’s. The outer
knob tunes the 100’s and the 1000’s up to
1799kHz.

The standby frequency selected may

then be put into the active window by
pressing the “FRQ” button. The standby
and active frequencies will be exchanged
(flip-flopped), the new frequency will
become active, and the former frequency
will go into standby.

Operating Modes.

Antenna (ANT) mode is selected and

annunciated when the “ADF” button is in
the “out” position. ANT provides improved
audio reception from the station tuned and
is usually used for identification. The bear-
ing pointer of the ADF indicator will be
deactivated and immediately turn to 90°
relative position and remain there during
ANT reception.

The ADF mode is selected and

annunciated when the “ADF” button is in
the depressed position. ADF activates the
bearing pointer in the ADF indicator, caus-
ing it to move without hesitation to point in
the direction of the station relative to the
aircraft heading.

Operating Instructions - ADF

USE

STBY/TIMER

OFF

VOL

ADF

ADF

ET/FLT

BFO

FRQ

SET

RST

ANT/ADF mode
annunciation

Select FLIGHT TIMER
or ELAPSED TIMER

Frequency transfer
"flip-flop" button

Select BFO

Select ANT mode
(out position)
Select ADF mode
(in position)

Set and Reset
ELAPSED TIMER

ON/OFF/VOL
control switch

Frequency
Select Knobs

STANDBY frequency
annunciation

STANDBY frequency,
FLIGHT TIME or
ELAPSED TIME

Flight Timer and Elapsed Timer
mode annunciation

BFO mode
annunciation

"USE" window
shows active
frequency

Photocell for
automatic
dimming

USE

STBY/TIMER

ADF

BFO

OFF

VOL

ADF

ADF

ET/FLT

BFO

FRQ

FRQ

ET

SET

RST

USE

STBY/TIMER

ADF

BFO

FLT

OFF

VOL

ADF

ADF

ET/FLT

BFO

FRQ

FRQ

ANT

ET

SET

RST

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