
Garmin G1000 Cockpit Reference Guide for Mooney M20M & M20R
40
SECTION 3 – AUDIO PANEL
3.4 RADIO INPUTS
Pressing DME, ADF, AUX, NAV1, or NAV2 selects
the corresponding audio source and activates the annun-
ciator. Pressing the selected audio source key again de-
selects this audio source. Selected aircraft audio can be
heard over the appropriate headset and over the speakers
if SPKR is selected. Note that all aircraft radio keys can
be selected concurrently.
If desired, the
DME, ADF and AUX channels may be
disabled. Please consult a Garmin-authorized service cen-
ter for details.
Figure 3-6 Aircraft Radios
When no further aircraft radio activity is detected by
the unit, the amount of ambient background noise from
the radios is further reduced by the Master Avionics
Squelch (MASQ
TM
) circuit.
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