
Garmin G1000 Cockpit Reference Guide for the Beechcraft 58/G58
4-3
SECTION 4 – NAV/COM &
TRANSPONDER
4.1 RADIO STATUS INDICATIONS
• TX – When a COM radio is keyed, a white TX
indication appears to the right of the corresponding
COM frequency.
• ID – When the Morse code identifier is ON for a
NAV radio, a white ID indication appears to the
left of the corresponding active NAV frequency.
The Morse code identifier can be heard if the
corresponding NAV radio is selected on the audio
panel.
Figure 4-5 Radio Status Indications
4.2 VOLUME
‘VOLUME’ is displayed in place of the associated radio
name (i.e., ‘COM1’ or ‘NAV2’) for two seconds after the
volume level is last changed.
Figure 4-6 COM Volume Level
4.3 AUTOMATIC SQUELCH
Automatic squelch can be disabled for a COM radio by
pressing the COM knob to select the desired COM sub-
window, then by pressing the VOL/PUSH SQ knob.
4.4 QUICKLY ACTIVATING 121.500 MHZ
Pressing and holding the COM Frequency Toggle key
for approximately two (2) seconds automatically tunes the
selected COM radio to the emergency frequency.
4.5 OPTIONAL NAV RADIOS
DME Radio (optional)
The Tuning window is displayed by pressing the DME
softkey.
Figure 4-7 Radio Tuning Window
To change the DME tuning source:
1. From the Tuning window, turn the
large FMS
knob to highlight the DME source field.
2. Turn the
small FMS
knob to display the selection
window. Turn the
FMS
knob to select the
desired mode and press the
ENT
key.
Figure 4-8 DME Selection Window
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