
Garmin G1000 Cockpit Reference Guide for the Socata TBM 850
190-00708-00 Rev. A
5-2
SECTION 5 – AUDIO PANEL
5.1 COM RADIO SELECTION
Pressing the COM1 MIC or COM2 MIC Key selects
the active transmitter (i.e., microphone). The associated
receiver audio (COM1 or COM2) also becomes selected
when the COM MIC Key is pressed.
Figure 5-2 Transceivers
5.2 MUSIC SELECTION
Pressing the MUSIC Key turns music on or off.
Figure 5-3 Music Selection
5.3 MARKER BEACON RECEIVER
The marker beacon receiver is always on. Only the
marker beacon audio can be turned off. Figure 5-4 shows
the marker beacon annunciators on the PFD.
When the MKR/MUTE Key is pressed, the key
annunciator is lit and the audio tone can be heard over
the speaker or headsets during marker beacon reception.
When the tone is active, pressing the MKR/MUTE
Key once mutes the audio but does not affect the marker
annunciator. The audio returns when the next marker
signal is received.
To turn off the marker beacon audio, press the MKR/
MUTE Key once when there is no marker indication
present, or press twice when an indication is present. The
key annunciator extinguishes when the marker beacon
audio is turned off.
Outer Marker Inner Marker
Altimeter
Middle Marker
Figure 5-4 Marker Beacon Annunciators on the PFD
Marker Beacon Signal Sensitivity
The HI SENS Key can be pressed for increased marker
beacon signal sensitivity.
Figure 5-5 Marker Beacon
5.4 NAV RADIO AUDIO SELECTION
Pressing NAV1 or NAV2 selects and deselects the radio
source and activates the annunciator. Selected audio can
be heard over the headset and the speakers. Pushing the
PUSH/VOL/ID Knob at this time allows the navigation
facility identifer to be heard. These two keys can be
selected individually or together.
Figure 5-6 Navigation Radios
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