Garmin G1000 NXi Pilot’s Guide for the Cessna NAV III
190-02177-02 Rev. A
SY
STEM
O
VER
VIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO P
ANEL
& CNS
FLIGHT
MANA
GEMENT
HAZARD
AV
OID
ANCE
AFCS
ADDITIONAL
FEA
TURES
APPENDICES
INDEX
113
AUDIO PANEL AND CNS
6
Transmit and Receive Indications
– During COM transmission, a white TX appears by the active
COM frequency replacing the Frequency Transfer Arrow. During COM signal reception, a white RX
appears by the active COM frequency replacing the Frequency Transfer Arrow.
7
Frequency Spacing
– The COM radios can tune either 25-kHz spacing (118.000 to 136.975 MHz)
or 8.33-kHz spacing (118.000 to 136.990 MHz) for 760-channel or 3040-channel configuration.
When 8.33-kHz channel spacing is selected, all of the 25-kHz channel spacing frequencies are also
available in the complete 3040-channel list.
8
Com Volume
– COM radio volume level can be adjusted from 0 to 100% using the
VOL/SQ
Knob.
Turning the knob clockwise increases volume, turning the knob counterclockwise decreases volume.
When adjusting volume using the PFD or MFD VOL/SQ Knob, the level is displayed in place of the
standby frequencies. Volume level indication remains for two seconds after the change.
COM TRANSCEIVER MANUAL TUNING
The COM frequency controls and frequency boxes are on the right side of each PFD.
Manually tuning a COM frequency:
1)
Turn the
COM
Knob to tune the desired frequency (large knob for MHz; small knob for kHz).
2)
Press the
Frequency Transfer
Key to transfer the frequency to the active field.
3)
Adjust the volume level with the COM
VOL/SQ
Knob.
4)
Push the COM
VOL/SQ
Knob to turn automatic squelch on and off.
AUTO-TUNING THE COM FREQUENCY
COM frequencies can be automatically tuned from the following PFD/MFD pages:
-
‘Nearest Airports’ Window (PFD)
-
‘WPT – Airport Information’
-
‘NRST – Nearest Airports’
-
‘NRST – Nearest Frequencies’
-
‘NRST – Nearest Airspaces’
AUTO-TUNING FROM THE PFD
COM frequencies for the nearest airports can be automatically tuned from the ‘Nearest Airports’ Window
on the PFD. When the desired frequency is entered, it becomes a standby frequency. Pressing the
Frequency
Transfer
Key places this frequency into the COM Active Frequency Field.
Auto-tuning a COM frequency for a nearby airport from the PFD:
1)
Press the
Nearest
Softkey on the PFD to open the ‘Nearest Airports’ Window. A list of 25 nearest airport
identifiers and COM frequencies is displayed.
2)
Turn the
FMS
Knob to scroll through the list and highlight the desired COM frequency.
3)
Press the
ENT
Key to load the COM frequency into the COM Standby Frequency Field.
4)
Press the
Frequency Transfer
Key to transfer the frequency to the COM Active Frequency Field.
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