Aquila ATO1, Maintenance Manual

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MAINTENANCE MANUAL
AQUILA AT01
Aviation by Excellence AG
(2) Up to S/N AT01-164:
The VHF COM antenna is mounted to the bottom of fuselage, behind the baggage
compartment.
S/N AT01-165 and higher:
The VHF-NAV/COM dipole antenna is laminated onto the inner shell of the vertical stabilizer
and cannot be removed and replaced. A second VHF-NAV/COM antenna may be installed
onto the bottom of the fuselage in case the aircraft is equipped with a second NAV/COM
transceiver.
C. Key and Knob Functions of the GNS 430 VHF Speech Communication Portion (Refer to Figure 01):
(1) The COM power/volume knob (2) controls unit power and communications radio volume.
Press momentarily to enable/disable automatic squelch control.
(2) The VLOC volume knob (1) controls audio volume for the selected VOR/ Localizer frequency.
Press momentarily to enable/disable the ident tone.
(3) The large left knob (4) is used to tune the megahertz (MHz) value of the standby frequency
for the COM transceiver or the VLOC receiver, whichever is currently selected by the tuning
cursor.
(4) The small left knob (5) is used to tune the kilohertz (kHz) value of the standby frequency for
the COM transceiver or the VLOC receiver, whichever is currently selected by the tuning
cursor. Press this knob momentarily to toggle the tuning cursor between the COM and
VLOC windows.
(5) The COM flip-flop key (3) is used the swap the active and standby COM frequencies. Press
and hold to select emergency channel (121.500 MHz).
(6) The VLOC flip-flop key (6) is used to swap the active and standby VLOC frequencies (i.e.,
make the selected standby frequency active).
This description applies also to the GNS 530, the respective knobs and keys are located in a
very similar arrangement and are labeled analogical.
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30.04.08
EFFECTIVITY
Aircraft equipped with Garmin
GNS 430 / 530 Avionics
Communications