User Guide

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100

Garmin G1000 Pilot’s Guide for the Columbia 350/400

190-00552-00 Rev. A4-10

AUDIO PANEL AND CNS

ALL MODE

ALL Mode is selected when both the

PILOT

and the

COPLT

Key Annunciators are not lit. In ALL Mode,

everyone hears the selected radios and is able to communicate with everyone else.

MASTER AVIONICS SQUELCH (MASQ)

MASQ (Master Avionics Squelch) reduces ambient noise from the aircraft radios. When no audio is detected,

MASQ processing further reduces the amount of background noise from the radios.

INTERCOM VOLUME AND SQUELCH

NOTE:

When the

MAN SQ

Key is not lit (Automatic Squelch is active), pressing the

VOL/SQ

Knob has no

effect on the VOL/SQ selection.

The

MAN SQ

Key and

VOL/SQ

Knob control the volume and squelch of the intercom. The

MAN SQ

Key

allows either automatic or manual control of the squelch setting. The

VOL/SQ

Knob controls volume or manual

squelch adjustment for the pilot and copilot/passenger.

When the MAN SQ Annunciator is not lit (Automatic Squelch is on), the

VOL/SQ

Knob controls only the

volume. When the MAN SQ Annunciator is lit (Manual Squelch), the

VOL/SQ

Knob controls both volume and

squelch.

INTERCOM VOLUME CONTROL

The intercom volume is controlled with the

VOL/SQ

Knob. The small knob controls the pilot volume. The

large knob controls the copilot/passenger volume. Turning the knob clockwise increases volume, turning

counterclockwise decreases volume. When squelch is automatic (MAN SQ Annunciator is not lit) and the

VOL Annunciator at the bottom of the unit is lit, intercom volume may be adjusted.

Figure 4-8 Volume/Squelch Control

Copilot

Pilot

Automatic/Manual

Squelch

Volume

Squelch