Garmin Cessna Caravan G1000 Pilot's Manual - page 5
Garmin G1000 VHF NAV/COM Pilot’s Guide for Mooney M20M & M20R
190-00445-00 Rev. A
4-3
INTRODUCTION
COLOR CODE
Frequencies located in the
active field
are displayed
in
either green or white
.
• An active frequency that is displayed in
green
indicates that the corresponding radio is selected
(i.e., in use) on the audio panel (COM) or on the
HSI (NAV).
• An active frequency that is displayed in
white
indi-
cates that the corresponding radio is not selected on
the audio panel (COM) or on the HSI (NAV).
NOTE:
In GPS mode, both active NAV frequencies
are displayed in white.
Frequencies located in the
standby field
are displayed
in
either white or gray
.
• The standby frequency that appears in the tuning
box is displayed in
white
.
• The standby frequency that is not in the tuning box
is displayed in
gray
.
TUNING BOX
On both the PFD and the MFD, a cyan (i.e., light blue)
tuning box appears around the standby frequency field
and can be moved from one standby frequency field to
another for the purpose of tuning or radio selection by
pressing the dual
COM
or
NAV
knob.
Frequency Toggle Arrow
Tuning Box
Figure 4.1.3 Frequency Toggle Arrow and Tuning Box
FREQUENCY TOGGLE ARROW
In both the COM and NAV windows, a
Frequency
Toggle Arrow
appears next to the tuning box, between
the active and standby frequencies. Pressing the dual
COM
or
NAV
knob toggles both the frequency tuning box
and the
Frequency Toggle Arrow
between the radios.
NOTE:
If the frequency tuning box is on a
selected COM sub-window when a signal
is received or transmitted for this radio, the
Frequency Toggle Arrow
is replaced by an
RX
or a
TX
indication, respectively.
NOTE:
Pressing the
Frequency Toggle
key places
this standby frequency into the active field, and
vice versa.
RADIO STATUS INDICATIONS
•
RX
– When a signal is received on a COM radio,
a white
RX
indication appears to the right of the
corresponding COM frequency for the duration of
the signal reception.
•
TX
– When a COM radio is keyed, a white
TX
indication appears to the right of the correspond-
ing COM frequency for the duration of the signal
transmission.
•
ID
– When the Morse code identifier is ON for a
NAV radio, a white
ID
indication appears to the
left of the corresponding active NAV frequency and
the Morse code identifier for this frequency can be
heard if the corresponding NAV radio is selected on
the audio panel.