BOMBARDIER Challenger 601-3A CL-600-2B16 Pilot Training Manual page 428

AUTOMATIC DIRECTION
FINDING
The dual, low-frequency ADF system pro-
vides reception of selected ground station sig-
nals in the 190 to 1799.5 kHz frequency range.
The ADF provides relative bearing-to-station
information and audio outputs to the audio
integrating systems. The ADF system also
COMPARATOR ANNUNCIATOR
FLASHES WHEN RECEIVER TUNES TO
AN ADF FREQUENCY NOT THE SAME AS
THE ACTIVE FREQUENCY DISPLAYED.
PRESET FREQUENCY DISPLAY
DISPLAYS THE PRESET (INACTIVE)
FREQUENCY, DIAGNOSTIC MESSAGES,
AND MEMORY CHANNEL FREQUENCIES.
MEMORY ANNUNCIATOR
INDICATES WHEN A STORED
FREQUENCY IS DISPLAYED
IN THE LOWER DISPLAY.
VOLUME CONTROL
ADJUST AUDIO LEVEL.
POWER AND MODE SWITCH
TURNS ON ADF RECEIVER AND
SELECTS OPERATING MODE.
AUTUNATIC DISPLAY DIMMER SENSOR
AUTOMATICALLY CONTROLS THE
DISPLAY BRIGHTNESS.
BEARING
POINTER
NO.1—
BEARING SOURCE
ANNUNCIATORS
INDICATE THE SOURCES
USED FOR THE BEARING
POINTERS.
16-16 CL 601-3A/R
Collins
A
C
T
MEM
ADF
TONE
ANT
OFF
V
FMS 35
180
SALON
F L
M O
S C
1 1
A
A
HDG
340
Figure 16-15. ADF Control Unit and EHSI Display
FOR TRAINING PURPOSES ONLY
FlightSafety Canada
CL-600-2B16 PILOT TRAINING MANUAL
permits voice reception or continuous wave
(CW) transmission.
The EHSI displays the relative bearing indi-
cation on the EHSI. The ADF supplies the
audio identification signals to the audiointe-
grating system. The station selected can be a
nondirectional beacon (NDB) or a standard
AM broadcast station.
XFR
MEM
ADF
STO
TEST
ACT
MAG DTK
350
N
TTG
34.5
ACTIVE FREQUENCY DISPLAY
INDICATES ACTIVE FREQUENCIES
AND DIAGNOSTIC MESSAGES.
TRANSFER/MEMORY SWITCH
TRANSFERS ACTIVE AND PRESET
FREQUENCIES OR SELECTS PRESET
FREQUENCY FOR DISPLAY.
FREQUENCY SELECTORS
SELECTS PRESET AND ACTIVE
FREQUENCIES.
STO PUSHBUTTON
ALLOWS FREQUENCIES TO BE
SELECTED AND STORED IN MEMORY.
TEST PUSHBUTTON
INITIATES A SELF-TEST ROUTINE.
ACTIVE PUSHBUTTON
ALLOW FREQUENCY SELECTORS
TO DIRECTLY TUNE ADF RECEIVER.
BEARING POINTERS
DISPLAY BEARING
SELECTED ON THE
DISPLAY CONTROLLER
BEARING
POINTER
NO. 2 —
L t é e
L t d .