Swaps the standby frequency for active frequency .
Pushing once : Blinks the frequency (KHz : 50KHz unit) to change
Pushing twice : Blinks the frequency (MHz : 1MHz unit) to change
Pushing third : Display the bearing between airplane and VOR
(OBS)
Rotating : Changes the frequency
Displays active frequency and standby frequency .
Displays the bearing between airplane and VOR
ADF Unit
: 1
rotary switch, 1 luminous tact switch. 3 digit / 7-segments
displaying ADF frequency
ADF
ON
Engages ADF
Pushing : Blinks ADF frequency to change
Rotating : Changes the frequency
Displays the ADF frequency
7