Garmin Cirrus Perspective SR20 Pilot's Manual page 121

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FMS Knob – Flight Management System Knob, used to enter transponder codes, select DME modes, and
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Auto-tune entries when DME Tuning Window or NRST Window is present. Press the FMS Knob to turn
the selection cursor on and off. The large knob moves the cursor in the window. The small knob selects
individual characters for the highlighted cursor location.
Transponder Data Box – Indicates the selected transponder code, operating mode, reply, and ident status
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for the applicable transponder.
NAV VOL/ID Knob – Controls NAV audio volume level. Press to turn the Morse code identifier audio on
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and off. Volume level is shown in the NAV frequency field as a percentage.
NAV Frequency Transfer Key – Transfers the standby and active NAV frequencies.
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NAV Knob – Tunes the standby frequencies for the NAV receiver (large knob for MHz; small knob for kHz).
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Press to move the tuning box (light blue box) and Frequency Transfer Arrow between NAV1 and NAV2.
NAV Frequency Box – Displays NAV standby and active frequency fields, volume, and station ID. The
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frequency of the NAV radio selected for navigation is displayed in green.
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Figure 4-2 MFD Controls and NAV Frequency Tuning Boxes
Cirrus Perspective by Garmin – Pilot's Guide for the SR20/SR22/SR22T
™
AUDIO PANEL AND CNS
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