Garmin Cirrus Perspective SR20 Pilot's Manual page 29

PILOT Volume – Turn the left (Pilot) volume knob to control pilot' s intercom volume and the ON and OFF
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function. (Full CCW detent is OFF) Press to switch between manual and automatic squelch control as
indicated by illumination of the MAN SQ annunciator.
MAN SQ – Manual Squelch annunciator. When lit, pilot and copilot squelch knobs control manual
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squelch.
SENS – Press to increase marker beacon receiver sensitivity as indicated by illumination of the HI SENS
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annunciator. Press again to return to low sensitivity and extinguish the HI SENS annunciator.
HI SENS Annunciator – Indicates marker beacon receiver sensitivity, high sensitivity when illuminated,
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low sensitivity when extinguished.
COM1 MIC – Selects the #1 transmitter for transmitting. COM1 receive is simultaneously selected when
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this key is pressed allowing received audio from the #1 COM receiver to be heard. COM2 receive can be
added by pressing the COM2 Key.
COM2 MIC – Selects the #2 transmitter for transmitting. COM2 receive is simultaneously selected when
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this key is pressed allowing received audio from the #2 COM receiver to be heard. COM1 receive can be
added by pressing the COM1 Key.
COM3 MIC – Reserved for optional COM radio.
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COM 1/2 – Split COM operation key. When selected, the pilot uses the COM 1 transceiver and the copilot
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uses COM 2.
SPKR – Selects and deselects the cabin speaker. COM and NAV receiver audio can be heard on the
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speaker. Press and hold for 2 seconds for Passenger Address (PA). The SPKR key flashes during PA.
TEL – Selects and deselects telephone audio.
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COPLT – Selects and deselects the copilot intercom isolation.
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PILOT – Selects and deselects the pilot intercom isolation.
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COPILOT/PASS Volume – Turn to adjust Copilot/Passenger intercom volume or squelch. Pulling the right
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volume knob controls passenger volume, pushing in controls Copilot volume.
COPILOT/PASS Squelch – Copilot and passenger share the squelch knob.
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190-00820-08 Rev. A Cirrus Perspective by Garmin – Pilot's Guide for the SR20/SR22/SR22T
™
SYSTEM OVERVIEW
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