PRIMUS
r
1000 Integrated Avionics System
A28--1146--112--00
C--25
PRIMUS
â
II Radio System
CONTROLS
The following controls are used to operate the ADF. Refer to figure C--14
for control locations.
ADF Controls
Figure C--14
D
Frequency Select Key
-- Push this key to place a cursor around the
ADF frequency. The frequency can be changed using the large outer
TUNE knob to control the left two digits, and the smaller inner TUNE
knob to control the right two digits. The frequency select key may
also be used to retrieve an ADF frequency that has been stored in
memory. To retrieve the stored frequency from memory, push and
hold the frequency select key for three seconds.
D
ADF Mode Select Key
-- Pushing this key moves the cursor to the
ADF mode line. Repeated pushes sequences modes that are
described in table C--6. The modes can also be selected by turning
the frequency/mode select (TUNE) knob.
Annunciation
Mode
ANT
Maximum sensitivity and range. Aural beacon
ident and voice only. No bearing determination.
ADF
Bearing determination. Some loss of received
audio range and sensitivity.
ADF Modes
Table C--6 (cont)
