Garmin G1000 Cockpit Reference Guide for the Mooney M20M & M20R
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.
To prevent deselecting the desired received audio
when pressing another COM MIC key, press the already
selected
COM1
or
COM2
key before pressing the other
COM MIC key.
Figure 5-2 Transceivers
5.2 MARKER BEACON RECEIVER
The marker beacon receiver is always ON. Figure 5-3
shows the marker beacon annunciators on the PFD
Figure 5-3 Marker Beacon Signal Indicator Lights on the PFD
Inner Marker
Annunciator
Outer Marker
Annunciator
Middle Marker
Annunciator
When the
MKR/MUTE
key is pressed, the key an-
nunciator is lit and the audio tone can be heard over the
speaker or headsets during marker reception.
When the tone is active, pressing the
MKR/MUTE
key
mutes the audio but does not affect the annunciator. The
audio returns when the next marker signal is received.
Marker Beacon Signal Sensitivity
The
HI SENS
key can be pressed for increased marker
beacon signal sensitivity.
Figure 5-4 Marker Beacon
5.3 NAV RADIO AUDIO SELECTION
Pressing
DME
,
ADF
,
NAV1
, or
NAV2
selects and
deselects the radio source and activates the annuncia-
tor. Selected audio can be heard over the headset and the
speakers. These four keys can be selected individually or
together.