Garmin G1000 NAV/COM
TM
G1000
NAV/COM Pilot’s Guide
for the Beechcraft A36/G36
Record of Revisions
Revision Date of Revision Revision Page Range Description
A 7/21/05 4-1 – 4-19 Initial release.
190-00572-00 Rev. AGarmin G1000 NAV/COM Pilot’s Guide for the Beechcraft A36/G36
DESCRIPTION
4.1 NAV/COM
OVERVIEW
The G1000 NAV/COM frequency controls and
windows are located in the top corners of the Primary
Flight Display (PFD) and Multi Function Display (MFD).
The NAV controls, windows, and fields are located on the
left side, the COM controls, windows, and fields are on
the right. The DME Tuning window is located in the lower
right corner on the PFD, as shown in the figure below.
NAV
Controls
NAV Frequency Window COM Frequency Window
The G1000 NAV/COM interface includes:
• Windows and fields
• Radio selection
• Tuning boxes
• Frequency Transfer Arrows
• Radio status indications
• Controls
COM
Controls
Figure 4.1.1 G1000 NAV/COM Interface (PFD)
Garmin G1000 NAV/COM Pilot’s Guide for the Beechcraft A36/G36190-00572-00 Rev. A
DME Tuning Window
4-1
DESCRIPTION
WINDOWS AND FIELDS
The NAV and COM Frequency windows are located
at the top of the display on either side of the Navigation
Status bar on both the PFD and the MFD.
• The NAV Frequency window is displayed to the left
of the Navigation Status bar.
• The
Each radio frequency window is composed of two
fields, a
• In the NAV Frequency window, the active frequency
• In the COM Frequency window, the active frequency
COM Frequency window is displayed to the
right of the Navigation Status bar.
standby field and an active field.
is on the right side, the standby frequency is on the
left.
is on the left side, the standby frequency is on the
right.
RADIO SELECTION
Frequencies in the active window are displayed in
either green or white.
• An active COM frequency is displayed in green
indicating that the COM radio is selected on the
audio panel (COM1 MIC or COM2 MIC keys).
White numbers indicate that the radio is not
selected.
• An active NAV frequency is displayed in green
indicating the NAV radio is selected for navigation
on the HSI. NAV radio selection is made with the
PFD CDI softkey.
• NAV1 selected: a single green arrow with ‘VOR1’ or
‘LOC1’ displayed on the HSI.
• NAV2 selected: a double green arrow with ‘
or ‘LOC2’ displayed on the HSI.
• Both active NAV frequencies displayed in white
indicate that GPS is in use.
VOR2’
Standby NAV
Frequency Field
Tuning Box
Selected NAV
Active NAV
Frequency Field
Garmin G1000 NAV/COM Pilot’s Guide for the Beechcraft A36/G36 190-00572-00 Rev. A4-2
Radio
Navigation Status Bar
Figure 4.1.2 Frequency Fields
Selected COM
Radio
Frequency Field
Active COM
Standby COM
Frequency Field
Tuning Box
DESCRIPTION
CONTROLS
The NAV Frequency window is controlled by knobs
and keys on the left, the COM Frequency window by
knobs and keys on the right.
The NAV controls:
• VOL/PUSH ID knob
– Turn to adjust the NAV radio volume level.
– Press to turn the Morse code ID ON and OFF.
• Frequency Transfer key
– Press to transfer the NAV frequencies between
the active and standby fields.
• Dual NAV tuning knob
– Turn to tune a NAV frequency in the NAV
tuning box (large knob for
for kHz).
– Press to transfer the NAV tuning box between
the NAV1 and NAV2 radios.
MHz; small knob
The COM controls:
• VOL/PUSH SQ knob
– Turn to adjust the COM radio volume.
– Press to turn automatic squelch ON and OFF.
• Frequency Transfer key
– Press to transfer the COM frequencies between
the active and standby fields.
– Press and hold for two seconds to tune the
emergency frequency (121.500 MHz) in the
active COM field.
• Dual COM tuning knob
– Turn to tune a COM frequency in the COM
tuning box (large knob for MHz; small knob
for kHz).
– Press to transfer the COM tuning box between
the COM1 and COM2 radios.
NAV Controls COM Controls
VOL/PUSH
ID Knob
Frequency Transfer Keys
Dual NAV
Knob
• Turn to tune desired
frequencies.
• Press to change tuning box
positions.
Figure 4.1.3 NAV/COM Controls
Garmin G1000 NAV/COM Pilot’s Guide for the Beechcraft A36/G36190-00572-00 Rev. A
VOL/PUSH
SQ Knob
Dual COM
Knob
4-3
DESCRIPTION
TUNING BOX
A light blue tuning box is displayed around the radio
standby frequency window, on both the PFD and MFD.
Pressing the small COM or NAV knob transfers the tuning
box back and forth between the two windows.
Pushing the small COM knob switches the
tuning box from one COM radio to the other.
Frequencies located in the standby window are
displayed in either white or gray.
• The standby frequency appearing in the tuning box
is white.
• The other standby frequency is gray.
Frequency Transfer Arrow
Figure 4.1.4 Frequency Transfer Arrow and Tuning Box
Tuning Box
SWITCHING BETWEEN RADIOS
Pressing the small COM or NAV knob transfers the
tuning box between the radio frequency windows.
When a different COM transceiver is selected on the
audio panel, the COM frequency tuning box highlights
the frequency on both the PFD and MFD.
When a different NAV radio is selected on the HSI, the
NAV frequency tuning box highlights the frequency on
the PFD and MFD. The NAV frequency tuning box does
not change when GPS mode is selected.
Figure 4.1.5 Switching COM Radios
Pushing the small NAV knob switches the
tuning box from one NAV radio to the other.
Figure 4.1.6 Switching NAV Radios
MANUALLY TUNING A FREQUENCY
The dual COM and dual NAV frequency knobs are
used for manual COM and NAV radio tuning. The
frequencies are tuned in the standby field.
• The MHz frequency digits are tuned with the large
COM and NAV knobs.
• The kHz frequency digits are tuned with the small
COM and NAV knobs.
Turning the knobs clockwise increases frequency.
Turning the knobs counterclockwise decreases frequency.
Garmin G1000 NAV/COM Pilot’s Guide for the Beechcraft A36/G36 190-00572-00 Rev. A4-4
RADIO INDICATORS
• RX – During COM signal reception, a white RX
appears by the active COM frequency.
• TX – During COM transmission, a white TX
appears by the active COM frequency replacing the
Frequency Transfer Arrow.
Figure 4.1.7 COM Radio Status Indications
• ID – When the Morse code identifier is ON for a
NAV radio, a white ID appears to the left of the
active NAV frequency.
DESCRIPTION
Figure 4.1.9 COM and NAV Volume Levels
FREQUENCY TRANSFER ARROW
The Frequency Transfer Arrow is displayed between
the COM and NAV active and standby frequencies for the
active radio. Pressing the Frequency Transfer
the frequencies. Pressing the small COM or NAV knob
transfers the frequency tuning box and the Frequency
Transfer Arrow between the radios.
NOTE: When a COM signal is received or
transmitted, the Frequency Transfer Arrow is
replaced by a white RX or TX indication.
key toggles
The Morse code identifier is
ON for the GHM VOR.
Figure 4.1.8 ID Indication
VOLUME
Radio volume level can be adjusted from 0 to 100%
using the VOL/PUSH SQ knob for COM or VOL/PUSH
ID knob for NAV. Turning the knob clockwise increases
volume, counterclockwise decreases volume.
When adjusting, the level is displayed in place of the
standby frequencies. Volume level indication remains for
two seconds after the change.
Garmin G1000 NAV/COM Pilot’s Guide for the Beechcraft A36/G36190-00572-00 Rev. A
Pressing the COM Frequency Transfer
key toggles the COM frequencies.
Pressing the NAV Frequency Transfer
key toggles the NAV frequencies.
Figure 4.1.10 Transferring COM and NAV Frequencies
4-5
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